{"id":"https://openalex.org/W4387982000","doi":"https://doi.org/10.1183/13993003.congress-2023.pa2926","title":"Overt and covert airflow limitations in DPLD: a spirometric appraisal","display_name":"Overt and covert airflow limitations in DPLD: a spirometric appraisal","publication_year":2023,"publication_date":"2023-09-09","ids":{"openalex":"https://openalex.org/W4387982000","doi":"https://doi.org/10.1183/13993003.congress-2023.pa2926"},"language":"en","primary_location":{"id":"doi:10.1183/13993003.congress-2023.pa2926","doi":"https://doi.org/10.1183/13993003.congress-2023.pa2926","is_oa":false,"landing_page_url":"https://doi.org/10.1183/13993003.congress-2023.pa2926","pdf_url":null,"source":{"id":"https://openalex.org/S4210207896","display_name":"European Respiratory Journal","issn_l":"0903-1936","issn":["0903-1936","1399-3003"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","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/P4310317833","host_organization_name":"European Respiratory Society","host_organization_lineage":["https://openalex.org/P4310317833"],"host_organization_lineage_names":["European Respiratory Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ILD/DPLD of known origin","raw_type":"proceedings-article"},"volume":null,"type":"conference-abstract","is_traditional":false,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021265952","display_name":"Sayanti Karmakar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sayanti Karmakar","raw_affiliation_strings":["Research Fellow, Institute of Pulmocare and Research, Kolkata, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Fellow, Institute of Pulmocare and Research, Kolkata, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112173414","display_name":"Sayoni Sengupta","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I37048141","display_name":"Indian Council of Medical Research","ror":"https://ror.org/0492wrx28","country_code":"IN","type":"government","lineage":["https://openalex.org/I37048141"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sayoni Sengupta","raw_affiliation_strings":["ICMR-RA, Institute of Pulmocare and Research, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ICMR-RA, Institute of Pulmocare and Research, Kolkata (West Bengal), India","institution_ids":["https://openalex.org/I37048141"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104005531","display_name":"Avishek Kar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Avishek Kar","raw_affiliation_strings":["Junior pulmonologist, Institute of Pulmocare and Research, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Junior pulmonologist, Institute of Pulmocare and Research, Kolkata (West Bengal), India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085164394","display_name":"Debkanya Dey","orcid":"https://orcid.org/0000-0003-2944-2243","observed_orcids":["https://orcid.org/0000-0003-2944-2243"]},"institutions":[{"id":"https://openalex.org/I37048141","display_name":"Indian Council of Medical Research","ror":"https://ror.org/0492wrx28","country_code":"IN","type":"government","lineage":["https://openalex.org/I37048141"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Debkanya Dey","raw_affiliation_strings":["ICMR-SRF, Institute of Pulmocare and Research, Kolkata, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ICMR-SRF, Institute of Pulmocare and Research, Kolkata, Kolkata (West Bengal), India","institution_ids":["https://openalex.org/I37048141"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102572120","display_name":"Shuvam Ghosh","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shuvam Ghosh","raw_affiliation_strings":["Research Fellow, Institute of Pulmocare and Research, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Fellow, Institute of Pulmocare and Research, Kolkata (West Bengal), India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101919577","display_name":"Dipanjan Saha","orcid":"https://orcid.org/0009-0000-5192-5386","observed_orcids":["https://orcid.org/0009-0000-5192-5386"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dipanjan Saha","raw_affiliation_strings":["Clinical Research Coordinator, Institute of Pulmocare and Research, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinical Research Coordinator, Institute of Pulmocare and Research, Kolkata (West Bengal), India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101848216","display_name":"Arindam Mukherjee","orcid":"https://orcid.org/0000-0002-6048-4743","observed_orcids":["https://orcid.org/0000-0002-6048-4743"]},"institutions":[{"id":"https://openalex.org/I4210089010","display_name":"Tata Medical Center","ror":"https://ror.org/006vzad83","country_code":"IN","type":"healthcare","lineage":["https://openalex.org/I4210089010"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Arindam Mukherjee","raw_affiliation_strings":["Consultant Pulmonologist, Tata Medical Center-Cancer Hospital & Research Center, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Consultant Pulmonologist, Tata Medical Center-Cancer Hospital & Research Center, Kolkata (West Bengal), India","institution_ids":["https://openalex.org/I4210089010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018412369","display_name":"Parthasarathi Bhattacharyya","orcid":"https://orcid.org/0000-0001-7246-5315","observed_orcids":["https://orcid.org/0000-0001-7246-5315"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Parthasarathi Bhattacharyya","raw_affiliation_strings":["Senior Consultant Pulmonologist, Institute of Pulmocare and Research, Kolkata (West Bengal), India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Senior Consultant Pulmonologist, Institute of Pulmocare and Research, Kolkata (West Bengal), India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021265952","display_name":"Sayanti Karmakar","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sayanti Karmakar","raw_affiliation_strings":["Research Fellow, Institute of Pulmocare and Research, Kolkata, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Fellow, Institute of Pulmocare and Research, Kolkata, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"PA2926","last_page":"PA2926"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10870","display_name":"Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis","score":0.5503000020980835,"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"}},"topics":[{"id":"https://openalex.org/T10870","display_name":"Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis","score":0.5503000020980835,"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/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","score":0.4377000033855438,"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/T10051","display_name":"Asthma and respiratory diseases","score":0.0017000000225380063,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/interstitial-lung-disease","display_name":"interstitial lung disease","score":0.9890000224113464},{"id":"https://openalex.org/keywords/airflow-obstruction","display_name":"airflow obstruction","score":0.824999988079071},{"id":"https://openalex.org/keywords/fef25-75","display_name":"FEF25-75","score":0.9390000104904175},{"id":"https://openalex.org/keywords/fev1-fvc-ratio","display_name":"FEV1/FVC ratio","score":0.9549999833106995},{"id":"https://openalex.org/keywords/fev1-reversibility","display_name":"FEV1 reversibility","score":0.9520000219345093},{"id":"https://openalex.org/keywords/gold-criteria","display_name":"GOLD criteria","score":0.5339999794960022},{"id":"https://openalex.org/keywords/diagnostic-cut-off-values","display_name":"diagnostic thresholds","score":0.5270000100135803}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6137179732322693},{"id":"https://openalex.org/C2780333948","wikidata":"https://www.wikidata.org/wiki/Q653305","display_name":"Spirometry","level":3,"score":0.5958772897720337},{"id":"https://openalex.org/C116067010","wikidata":"https://www.wikidata.org/wiki/Q4698686","display_name":"Airflow","level":2,"score":0.5888870358467102},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.503781259059906},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.40965017676353455},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12963449954986572},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C2776042228","wikidata":"https://www.wikidata.org/wiki/Q35869","display_name":"Asthma","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1183/13993003.congress-2023.pa2926","doi":"https://doi.org/10.1183/13993003.congress-2023.pa2926","is_oa":false,"landing_page_url":"https://doi.org/10.1183/13993003.congress-2023.pa2926","pdf_url":null,"source":{"id":"https://openalex.org/S4210207896","display_name":"European Respiratory Journal","issn_l":"0903-1936","issn":["0903-1936","1399-3003"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","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/P4310317833","host_organization_name":"European Respiratory Society","host_organization_lineage":["https://openalex.org/P4310317833"],"host_organization_lineage_names":["European Respiratory Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ILD/DPLD of known origin","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.98580002784729}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4328014524","https://openalex.org/W4403041665","https://openalex.org/W4240827641","https://openalex.org/W2906228210","https://openalex.org/W2301139741","https://openalex.org/W2540304430","https://openalex.org/W2903197859","https://openalex.org/W4206469135","https://openalex.org/W2906119113","https://openalex.org/W2777517144"],"abstract_inverted_index":{"Background:":[0],"Airflow":[1],"limitation":[2,47,203],"in":[3,19,181,195],"diffuse":[4],"parenchymal":[5],"lung":[6],"disease":[7],"(DPLD)":[8],"needs":[9],"a":[10,77,128,186,207],"better":[11],"spirometric":[12,58],"understanding.":[13],"Objective:":[14],"To":[15],"appreciate":[16],"airflow":[17,32,61,179,191,202,221],"obstruction":[18,62,180,192,222],"DPLD.":[20],"Methods:":[21],"Serial-diagnosed":[22],"DPLD":[23,197],"subjects":[24,166],"based":[25],"on":[26],"HRCT":[27],"Chest":[28],"were":[29,49,54,82,106],"examined":[30],"for":[31],"limitations":[33],"with":[34,56,123,149],"the":[35,110,119,132,182,213,219],"GOLD-guideline":[36],"forwarded":[37],"criteria":[38,105,122,223],"of":[39,60,94,102,115,125,135,147,170,188,210],"FEV1/FVC<0.7.":[40,103],"Thus":[41],"two":[42,52,162],"groups":[43,53],"\u2018DPLD-unmixed\u2019":[44,183],"and":[45,72,92,140,151,156,168,172,224],"\u201cDPLD-airflow":[46],"overlap\u2019":[48],"formed.":[50],"The":[51,137,200],"compared":[55],"possible":[57],"markers":[59],"as":[63,100,153,158,177],"%-predicted":[64,138],"FEF25-75,":[65],"FEV1-":[66],"FEF25-75":[67,139,173],"distance,":[68],"FEV1":[69,171],"reversibility(>100":[70],"ml),":[71],"FEF25-75(>30%-predicted":[73],"value).":[74],"Those":[75],"showing":[76],"highly":[78],"significant":[79,208],"difference":[80],"(P<0.0001)":[81],"further":[83,107,227],"addressed":[84],"by":[85],"performing":[86],"ROC":[87],"(Receiving":[88],"Operator":[89],"characteristic)":[90],"curves":[91],"determination":[93],"cut-off":[95],"values":[96],"to":[97,109,144],"avail":[98],"them":[99,126],"surrogates":[101,146],"These":[104,161],"applied":[108],"\u201cunmixed-DPLD\u201d":[111,215],"population.":[112],"Results:":[113],"26":[114],"201":[116],"patients":[117,211],"met":[118],"classical":[120],"FEV1/FVC<0.7":[121],"all":[124],"having":[127,178],"ratio":[129],"well":[130],"below":[131],"lower":[133],"limit":[134],"normal.":[136],"FEV1-FEF25-75":[141],"distance":[142],"qualified":[143],"be":[145],"FEV/FVC<0.7":[148],"84.62%":[150],"73.77%":[152],"specificity,":[154],"81.15%":[155],"80.77%":[157],"sensitivity":[159],"respectively.":[160],"parameters":[163],"identified":[164,174],"29":[165],"each":[167,176],"reversibility":[169],"11":[175],"group.":[184],"Thus,":[185],"revelation":[187],"80(45.45%)":[189],"covert":[190,201],"is":[193],"apparent":[194],"\u2018unmixed\u2019":[196],"subjects.":[198],"Conclusion:":[199],"has":[204],"even":[205],"unleashed,":[206],"number":[209],"from":[212,218],"supposedly":[214],"population":[216],"apart":[217],"conventional":[220],"that":[225],"demands":[226],"validation.":[228]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2023-10-28T00:00:00"}
