{"id":"https://openalex.org/W2943492071","doi":"https://doi.org/10.1164/rccm.201810-2050cp","title":"Reappraisal of Ventilator-Free Days in Critical Care Research","display_name":"Reappraisal of Ventilator-Free Days in Critical Care Research","publication_year":2019,"publication_date":"2019-04-29","ids":{"openalex":"https://openalex.org/W2943492071","doi":"https://doi.org/10.1164/rccm.201810-2050cp","mag":"2943492071","pmid":"https://pubmed.ncbi.nlm.nih.gov/31034248","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/6812447"},"language":"en","primary_location":{"id":"doi:10.1164/rccm.201810-2050cp","doi":"https://doi.org/10.1164/rccm.201810-2050cp","is_oa":true,"landing_page_url":"https://doi.org/10.1164/rccm.201810-2050cp","pdf_url":null,"source":{"id":"https://openalex.org/S93356601","display_name":"American Journal of Respiratory and Critical Care Medicine","issn_l":"1073-449X","issn":["1073-449X","1535-4970"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316311","host_organization_name":"American Thoracic Society","host_organization_lineage":["https://openalex.org/P4310316311"],"host_organization_lineage_names":["American Thoracic Society"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Respiratory and Critical Care Medicine","raw_type":"journal-article"},"volume":null,"type":"review","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1164/rccm.201810-2050cp","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031613696","display_name":"Nadir Yehya","orcid":"https://orcid.org/0000-0002-2996-217X","observed_orcids":["https://orcid.org/0000-0002-2996-217X"]},"institutions":[{"id":"https://openalex.org/I1335321130","display_name":"Children's Hospital of Philadelphia","ror":"https://ror.org/01z7r7q48","country_code":"US","type":"funder","lineage":["https://openalex.org/I1335321130"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Nadir Yehya","raw_affiliation_strings":["Department of Anesthesiology and Critical Care Medicine","Department of Anesthesiology and Critical Care Medicine, Children\u2019s Hospital of Philadelphia, Philadelphia, Pennsylvania"],"raw_orcid":"https://orcid.org/0000-0002-2996-217X","affiliations":[{"raw_affiliation_string":"Department of Anesthesiology and Critical Care Medicine","institution_ids":[]},{"raw_affiliation_string":"Department of Anesthesiology and Critical Care Medicine, Children\u2019s Hospital of Philadelphia, Philadelphia, Pennsylvania","institution_ids":["https://openalex.org/I1335321130"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089111176","display_name":"Michael Oscar Harhay","orcid":"https://orcid.org/0000-0002-0553-674X","observed_orcids":["https://orcid.org/0000-0002-0553-674X"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael O. Harhay","raw_affiliation_strings":["Department of Biostatistics, Epidemiology and Informatics, and","Palliative and Advanced Illness Research Center, Perelman School of Medicine, and","Department of Biostatistics, Epidemiology and Informatics, and; Palliative and Advanced Illness Research Center, Perelman School of Medicine, and"],"raw_orcid":"https://orcid.org/0000-0002-0553-674X","affiliations":[{"raw_affiliation_string":"Department of Biostatistics, Epidemiology and Informatics, and","institution_ids":[]},{"raw_affiliation_string":"Palliative and Advanced Illness Research Center, Perelman School of Medicine, and","institution_ids":["https://openalex.org/I79576946"]},{"raw_affiliation_string":"Department of Biostatistics, Epidemiology and Informatics, and; Palliative and Advanced Illness Research Center, Perelman School of Medicine, and","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011667673","display_name":"Martha A. Q. Curley","orcid":"https://orcid.org/0000-0001-5228-6694","observed_orcids":["https://orcid.org/0000-0001-5228-6694"]},"institutions":[{"id":"https://openalex.org/I1335321130","display_name":"Children's Hospital of Philadelphia","ror":"https://ror.org/01z7r7q48","country_code":"US","type":"funder","lineage":["https://openalex.org/I1335321130"]},{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Martha A. Q. Curley","raw_affiliation_strings":["Children\u2019s Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania","Department of Anesthesiology and Critical Care Medicine","Department of Family and Community Health, School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania"],"raw_orcid":"https://orcid.org/0000-0001-5228-6694","affiliations":[{"raw_affiliation_string":"Children\u2019s Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania","institution_ids":["https://openalex.org/I1335321130"]},{"raw_affiliation_string":"Department of Anesthesiology and Critical Care Medicine","institution_ids":[]},{"raw_affiliation_string":"Department of Family and Community Health, School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044481779","display_name":"David Schoenfeld","orcid":"https://orcid.org/0000-0003-1948-3711","observed_orcids":["https://orcid.org/0000-0003-1948-3711"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David A. Schoenfeld","raw_affiliation_strings":["Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts","Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; and","Department of Medicine, Harvard Medical School, Boston, Massachusetts","Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts; Department of Medicine, Harvard Medical School, Boston, Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts","institution_ids":["https://openalex.org/I4210087915"]},{"raw_affiliation_string":"Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; and","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Department of Medicine, Harvard Medical School, Boston, Massachusetts","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Biostatistics Center, Massachusetts General Hospital, Boston, Massachusetts; Department of Medicine, Harvard Medical School, Boston, Massachusetts","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004835739","display_name":"Ron Reeder","orcid":"https://orcid.org/0000-0003-0021-5944","observed_orcids":["https://orcid.org/0000-0003-0021-5944"]},"institutions":[{"id":"https://openalex.org/I223532165","display_name":"University of Utah","ror":"https://ror.org/03r0ha626","country_code":"US","type":"education","lineage":["https://openalex.org/I223532165"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ron W. Reeder","raw_affiliation_strings":["Department of Pediatrics, University of Utah, Salt Lake City, Utah"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Utah, Salt Lake City, Utah","institution_ids":["https://openalex.org/I223532165"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5031613696"],"corresponding_institution_ids":["https://openalex.org/I1335321130"],"apc_list":null,"apc_paid":null,"fwci":6.7589,"has_fulltext":false,"cited_by_count":388,"citation_normalized_percentile":{"value":0.98418972,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"200","issue":"7","first_page":"828","last_page":"836"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.6812000274658203,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.6812000274658203,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10322","display_name":"Respiratory Support and Mechanisms","score":0.29249998927116394,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T14374","display_name":"Statistical Methods in Epidemiology","score":0.00570000009611249,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ventilator-free-days","display_name":"ventilator-free days","score":0.9990000128746033},{"id":"https://openalex.org/keywords/composite-endpoints","display_name":"composite endpoints","score":0.7879999876022339},{"id":"https://openalex.org/keywords/acute-respiratory-distress-syndrome","display_name":"acute respiratory distress syndrome","score":0.9459999799728394},{"id":"https://openalex.org/keywords/extubation","display_name":"extubation","score":0.6000000238418579},{"id":"https://openalex.org/keywords/competing-risks","display_name":"competing risks","score":0.460999995470047},{"id":"https://openalex.org/keywords/statistical-power","display_name":"statistical power","score":0.5350000262260437},{"id":"https://openalex.org/keywords/duration-of-mechanical-ventilation","display_name":"mechanical ventilation duration","score":0.6010000109672546}],"concepts":[{"id":"https://openalex.org/C2776957806","wikidata":"https://www.wikidata.org/wiki/Q4895105","display_name":"Interim","level":2,"score":0.7516707181930542},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7264782786369324},{"id":"https://openalex.org/C148220186","wikidata":"https://www.wikidata.org/wiki/Q7111912","display_name":"Outcome (game theory)","level":2,"score":0.6870371103286743},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.46685129404067993},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.45637285709381104},{"id":"https://openalex.org/C61943457","wikidata":"https://www.wikidata.org/wiki/Q6046661","display_name":"Interim analysis","level":3,"score":0.4434446096420288},{"id":"https://openalex.org/C2780665704","wikidata":"https://www.wikidata.org/wiki/Q959298","display_name":"Intervention (counseling)","level":2,"score":0.435463547706604},{"id":"https://openalex.org/C119043178","wikidata":"https://www.wikidata.org/wiki/Q320723","display_name":"Covariate","level":2,"score":0.4282623529434204},{"id":"https://openalex.org/C87007009","wikidata":"https://www.wikidata.org/wiki/Q210832","display_name":"Statistical hypothesis testing","level":2,"score":0.42069023847579956},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.38820189237594604},{"id":"https://openalex.org/C535046627","wikidata":"https://www.wikidata.org/wiki/Q30612","display_name":"Clinical trial","level":2,"score":0.35064154863357544},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.28916722536087036},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12252268195152283},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.1130017340183258},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.0949137806892395},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000078332","descriptor_name":"Data Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003422","descriptor_name":"Critical Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003627","descriptor_name":"Data Interpretation, Statistical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012044","descriptor_name":"Regression Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012107","descriptor_name":"Research Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012121","descriptor_name":"Respiration, Artificial","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D012128","descriptor_name":"Respiratory Distress Syndrome","qualifier_ui":"Q000628","qualifier_name":"therapy","is_major_topic":true},{"descriptor_ui":"D017063","descriptor_name":"Outcome Assessment, Health Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D060666","descriptor_name":"Airway Extubation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1164/rccm.201810-2050cp","doi":"https://doi.org/10.1164/rccm.201810-2050cp","is_oa":true,"landing_page_url":"https://doi.org/10.1164/rccm.201810-2050cp","pdf_url":null,"source":{"id":"https://openalex.org/S93356601","display_name":"American Journal of Respiratory and Critical Care Medicine","issn_l":"1073-449X","issn":["1073-449X","1535-4970"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316311","host_organization_name":"American Thoracic Society","host_organization_lineage":["https://openalex.org/P4310316311"],"host_organization_lineage_names":["American Thoracic Society"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Respiratory and Critical Care Medicine","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:6812447","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6812447","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Am J Respir Crit Care Med","raw_type":"Text"},{"id":"pmid:31034248","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31034248","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American journal of respiratory and critical care medicine","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1164/rccm.201810-2050cp","doi":"https://doi.org/10.1164/rccm.201810-2050cp","is_oa":true,"landing_page_url":"https://doi.org/10.1164/rccm.201810-2050cp","pdf_url":null,"source":{"id":"https://openalex.org/S93356601","display_name":"American Journal of Respiratory and Critical Care Medicine","issn_l":"1073-449X","issn":["1073-449X","1535-4970"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316311","host_organization_name":"American Thoracic Society","host_organization_lineage":["https://openalex.org/P4310316311"],"host_organization_lineage_names":["American Thoracic Society"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Respiratory and Critical Care Medicine","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9391000270843506,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G2235810076","display_name":"CCC for NHLBI Prevention and Early Treatment of Acute Lung Injury PETAL Network","funder_award_id":"U01HL123009","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G3873264029","display_name":"Clinical and Proteomic Characterization of Nucleosomes in Pediatric Acute Respiratory Distress Syndrome","funder_award_id":"K23HL136688","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G4919196926","display_name":null,"funder_award_id":"HL123009","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G639228419","display_name":"Improving the measurement and analysis of long-term, patient-centered outcomes following acute respiratory failure","funder_award_id":"K99HL141678","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G8143480634","display_name":null,"funder_award_id":"L40 HL134039","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"}],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337338","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W1903803846","https://openalex.org/W1933142041","https://openalex.org/W1964453580","https://openalex.org/W1966428349","https://openalex.org/W1972478855","https://openalex.org/W1973087506","https://openalex.org/W1976284065","https://openalex.org/W1977283305","https://openalex.org/W1978960863","https://openalex.org/W1983881370","https://openalex.org/W1993570203","https://openalex.org/W2038981426","https://openalex.org/W2041468256","https://openalex.org/W2042805913","https://openalex.org/W2044773944","https://openalex.org/W2072051993","https://openalex.org/W2074935456","https://openalex.org/W2095944485","https://openalex.org/W2102501066","https://openalex.org/W2106923828","https://openalex.org/W2108153775","https://openalex.org/W2112415878","https://openalex.org/W2115186092","https://openalex.org/W2116469597","https://openalex.org/W2121517569","https://openalex.org/W2127105616","https://openalex.org/W2138260134","https://openalex.org/W2160722967","https://openalex.org/W2161328469","https://openalex.org/W2171302398","https://openalex.org/W2314787815","https://openalex.org/W2320873518","https://openalex.org/W2333411966","https://openalex.org/W2395063693","https://openalex.org/W2417979309","https://openalex.org/W2473347715","https://openalex.org/W2489536306","https://openalex.org/W2520124172","https://openalex.org/W2524082071","https://openalex.org/W2560696316","https://openalex.org/W2562538460","https://openalex.org/W2580636740","https://openalex.org/W2593977551","https://openalex.org/W2597070792","https://openalex.org/W2626766299","https://openalex.org/W2737965978","https://openalex.org/W2775523580","https://openalex.org/W2790158735","https://openalex.org/W2794125559","https://openalex.org/W2810393682","https://openalex.org/W2886228295","https://openalex.org/W2897603516","https://openalex.org/W2910730908","https://openalex.org/W4241014756"],"related_works":["https://openalex.org/W4399148767","https://openalex.org/W4396523315","https://openalex.org/W4411453747","https://openalex.org/W4412931377","https://openalex.org/W4323981658","https://openalex.org/W1978960863","https://openalex.org/W2775523580","https://openalex.org/W7139004367","https://openalex.org/W4392349268","https://openalex.org/W2985938878"],"abstract_inverted_index":{"Abstract":[0],"Ventilator-free":[1],"days":[2],"(VFDs)":[3],"are":[4],"a":[5,25,73,87,154,176,204],"commonly":[6],"reported":[7],"composite":[8,148,205],"outcome":[9,43,82,118],"measure":[10,180],"in":[11,24],"acute":[12],"respiratory":[13],"distress":[14],"syndrome":[15],"trials.":[16,196],"VFDs":[17,46,64],"combine":[18],"survival":[19],"and":[20,50,61,65,70,77,97,104,119,143,157,179,191],"duration":[21,145],"of":[22,32,42,63,90,141,173,181,219],"ventilation":[23],"manner":[26],"that":[27,199],"summarizes":[28],"the":[29,59,91,116,122,130,138,147,161,170,184,220],"\u201cnet":[30],"effect\u201d":[31],"an":[33,174,217],"intervention":[34],"on":[35,137,146,169],"these":[36,81],"two":[37],"outcomes.":[38],"However,":[39],"this":[40],"combining":[41],"measures":[44],"makes":[45],"difficult":[47],"to":[48,54,79,186,202],"understand":[49],"analyze,":[51],"which":[52,165],"contributes":[53],"imprecise":[55],"interpretations.":[56],"We":[57,84,197],"discuss":[58],"strengths":[60],"limitations":[62],"other":[66,208],"\u201cfailure-free":[67,209],"day\u201d":[68,210],"composites,":[69],"we":[71,127,152],"provide":[72,86],"framework":[74,159],"for":[75,95,188,195],"when":[76],"how":[78,129],"use":[80],"measures.":[83],"also":[85,213],"comprehensive":[88],"discussion":[89],"different":[92],"analytic":[93],"methods":[94],"analyzing":[96,203],"interpreting":[98],"VFDs,":[99],"including":[100,207],"Student\u2019s":[101],"t":[102],"tests":[103],"rank-sum":[105],"tests,":[106],"as":[107,109,115,121],"well":[108],"competing":[110,123,162],"risk":[111,163],"regressions":[112],"treating":[113],"extubation":[114],"primary":[117],"death":[120],"risk.":[124],"Using":[125],"simulations,":[126],"illustrate":[128],"statistical":[131,177],"test":[132,178],"with":[133,183],"optimal":[134],"power":[135],"depends":[136],"relative":[139],"contributions":[140],"mortality":[142],"ventilator":[144],"effect":[149,171],"size.":[150],"Finally,":[151],"recommend":[153],"simple":[155],"analysis":[156],"reporting":[158],"using":[160],"approach,":[164],"provides":[166],"clear":[167],"information":[168],"size":[172],"intervention,":[175],"confidence":[182],"ability":[185],"adjust":[187],"baseline":[189],"factors":[190],"allow":[192],"interim":[193],"monitoring":[194],"emphasize":[198],"any":[200],"approach":[201],"outcome,":[206],"constructs,":[211],"should":[212],"be":[214],"accompanied":[215],"by":[216],"examination":[218],"components.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":40},{"year":2025,"cited_by_count":41},{"year":2024,"cited_by_count":58},{"year":2023,"cited_by_count":57},{"year":2022,"cited_by_count":56},{"year":2021,"cited_by_count":98},{"year":2020,"cited_by_count":37},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2019-05-09T00:00:00"}
