{"id":"https://openalex.org/W2147232873","doi":"https://doi.org/10.1016/j.juro.2013.03.040","title":"Medical Expulsive Therapy versus Early Endoscopic Stone Removal for Acute Renal Colic: An Instrumental Variable Analysis","display_name":"Medical Expulsive Therapy versus Early Endoscopic Stone Removal for Acute Renal Colic: An Instrumental Variable Analysis","publication_year":2013,"publication_date":"2013-03-19","ids":{"openalex":"https://openalex.org/W2147232873","doi":"https://doi.org/10.1016/j.juro.2013.03.040","mag":"2147232873","pmid":"https://pubmed.ncbi.nlm.nih.gov/23517746"},"language":"en","primary_location":{"id":"doi:10.1016/j.juro.2013.03.040","doi":"https://doi.org/10.1016/j.juro.2013.03.040","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.juro.2013.03.040","pdf_url":null,"source":{"id":"https://openalex.org/S30525748","display_name":"The Journal of Urology","issn_l":"0022-5347","issn":["0022-5347","1527-3792"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Urology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"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/A5091010294","display_name":"John M. Hollingsworth","orcid":"https://orcid.org/0000-0002-3372-9370","observed_orcids":["https://orcid.org/0000-0002-3372-9370"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John M. Hollingsworth","raw_affiliation_strings":["Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]},{"raw_affiliation_string":"Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019172957","display_name":"Edward C. Norton","orcid":"https://orcid.org/0000-0003-4555-0631","observed_orcids":["https://orcid.org/0000-0003-4555-0631"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Edward C. Norton","raw_affiliation_strings":["Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]},{"raw_affiliation_string":"Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108470175","display_name":"Samuel R. Kaufman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Samuel R. Kaufman","raw_affiliation_strings":["Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113564114","display_name":"Ruth Smith","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Matt Smith","raw_affiliation_strings":["Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108270167","display_name":"J. Stuart Wolf","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Stuart Wolf","raw_affiliation_strings":["Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000093901","display_name":"Brent K. Hollenbeck","orcid":"https://orcid.org/0000-0003-4840-1260","observed_orcids":["https://orcid.org/0000-0003-4840-1260"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brent K. Hollenbeck","raw_affiliation_strings":["Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Healthcare Outcomes & Policy, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]},{"raw_affiliation_string":"Department of Urology, University of Michigan Medical School, Ann Arbor, Michigan","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":5.1681,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.95912201,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"190","issue":"3","first_page":"882","last_page":"887"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10606","display_name":"Kidney Stones and Urolithiasis Treatments","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T10606","display_name":"Kidney Stones and Urolithiasis Treatments","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T10518","display_name":"Gallbladder and Bile Duct Disorders","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10391","display_name":"Healthcare Policy and Management","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/medical-expulsive-therapy","display_name":"medical expulsive therapy","score":0.9829999804496765},{"id":"https://openalex.org/keywords/endoscopic-stone-removal","display_name":"endoscopic stone removal","score":0.843999981880188},{"id":"https://openalex.org/keywords/acute-renal-colic","display_name":"acute renal colic","score":0.9810000061988831},{"id":"https://openalex.org/keywords/kidney-stones","display_name":"kidney stones","score":0.9010000228881836},{"id":"https://openalex.org/keywords/health-care-costs","display_name":"health care costs","score":0.6100000143051147},{"id":"https://openalex.org/keywords/hospitalization","display_name":"hospitalization","score":0.8759999871253967},{"id":"https://openalex.org/keywords/emergency-department-visits","display_name":"emergency department visits","score":0.8399999737739563},{"id":"https://openalex.org/keywords/weekend-effect","display_name":"weekend effect","score":0.8009999990463257},{"id":"https://openalex.org/keywords/instrumental-variables","display_name":"instrumental variables","score":0.6240000128746033}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9626837968826294},{"id":"https://openalex.org/C2779675326","wikidata":"https://www.wikidata.org/wiki/Q609202","display_name":"Renal colic","level":3,"score":0.8900485038757324},{"id":"https://openalex.org/C2780724011","wikidata":"https://www.wikidata.org/wiki/Q1295316","display_name":"Emergency department","level":2,"score":0.7913131713867188},{"id":"https://openalex.org/C77350462","wikidata":"https://www.wikidata.org/wiki/Q1125472","display_name":"Confounding","level":2,"score":0.5449870228767395},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.4344744086265564},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.3300986886024475},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.2801055312156677},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000317","descriptor_name":"Adrenergic alpha-Antagonists","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D000317","descriptor_name":"Adrenergic alpha-Antagonists","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002121","descriptor_name":"Calcium Channel Blockers","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D002121","descriptor_name":"Calcium Channel Blockers","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D003362","descriptor_name":"Cost-Benefit Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004636","descriptor_name":"Emergency Service, Hospital","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D004636","descriptor_name":"Emergency Service, Hospital","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D004724","descriptor_name":"Endoscopy","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D004724","descriptor_name":"Endoscopy","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007669","descriptor_name":"Kidney Calculi","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D007669","descriptor_name":"Kidney Calculi","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":false},{"descriptor_ui":"D007669","descriptor_name":"Kidney Calculi","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D007669","descriptor_name":"Kidney Calculi","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016208","descriptor_name":"Databases, Factual","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017281","descriptor_name":"Cost of Illness","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D052878","descriptor_name":"Urolithiasis","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":false},{"descriptor_ui":"D052878","descriptor_name":"Urolithiasis","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D052878","descriptor_name":"Urolithiasis","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D056844","descriptor_name":"Renal Colic","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":false},{"descriptor_ui":"D056844","descriptor_name":"Renal Colic","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D056844","descriptor_name":"Renal Colic","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.juro.2013.03.040","doi":"https://doi.org/10.1016/j.juro.2013.03.040","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.juro.2013.03.040","pdf_url":null,"source":{"id":"https://openalex.org/S30525748","display_name":"The Journal of Urology","issn_l":"0022-5347","issn":["0022-5347","1527-3792"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Urology","raw_type":"journal-article"},{"id":"pmid:23517746","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23517746","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":"The Journal of urology","raw_type":"Comparative Study"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[{"id":"https://openalex.org/G2243181","display_name":"Effects of Physician Social Networks on Surgical Quality, Safety, and Costs","funder_award_id":"1k08hs020927-01a1","funder_id":"https://openalex.org/F4320332177","funder_display_name":"Agency for Healthcare Research and Quality"}],"funders":[{"id":"https://openalex.org/F4320332177","display_name":"Agency for Healthcare Research and Quality","ror":"https://ror.org/03jmfdf59"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W117579176","https://openalex.org/W119440777","https://openalex.org/W1488708235","https://openalex.org/W1970010064","https://openalex.org/W1978480999","https://openalex.org/W1986603446","https://openalex.org/W2013818628","https://openalex.org/W2033469543","https://openalex.org/W2038694857","https://openalex.org/W2057354586","https://openalex.org/W2057890124","https://openalex.org/W2058597901","https://openalex.org/W2071006814","https://openalex.org/W2086500461","https://openalex.org/W2100899951","https://openalex.org/W2103946546","https://openalex.org/W2107743940","https://openalex.org/W2108979744","https://openalex.org/W2111323078","https://openalex.org/W2117378160","https://openalex.org/W2132633916","https://openalex.org/W2138290169","https://openalex.org/W2142912667","https://openalex.org/W2157358083","https://openalex.org/W2171942415","https://openalex.org/W2337973616","https://openalex.org/W4251598323"],"related_works":["https://openalex.org/W1979595628","https://openalex.org/W2117277237","https://openalex.org/W2179788629","https://openalex.org/W4233106537","https://openalex.org/W2063373822","https://openalex.org/W2071006814","https://openalex.org/W2474673227","https://openalex.org/W2058597901","https://openalex.org/W2325952112","https://openalex.org/W1975633992"],"abstract_inverted_index":{"PURPOSE:":[0],"The":[1],"use":[2],"of":[3,16,73,84,115,153,156,204],"medical":[4,30,85,133,167,186,236,260],"expulsive":[5,31,86,134,168,187,237,261],"therapy":[6,32,87,135,169,188,238,262],"to":[7,39,46,55,150,179,211,219],"hasten":[8],"stone":[9,93,139,224,265],"passage":[10],"potentially":[11],"decreases":[12],"expenditures":[13],"around":[14],"episodes":[15],"renal":[17,63],"colic.":[18,64],"However,":[19],"these":[20,206],"efficiency":[21],"gains":[22],"may":[23],"be":[24,180],"mitigated":[25],"if":[26],"patients":[27,255],"treated":[28],"with":[29,61,80,88,148,165,241],"have":[33,212],"frequent":[34,247],"health":[35],"care":[36],"encounters":[37,161],"due":[38],"pain":[40],"while":[41],"waiting":[42],"for":[43,90,97,183,192,259],"the":[44,113,116,151,154],"stones":[45],"pass.":[47],"MATERIALS":[48],"AND":[49],"METHODS:":[50],"Using":[51],"claims":[52],"data":[53,253],"(2002":[54],"2006)":[56],"we":[57,100],"identified":[58],"adult":[59],"men":[60,131,147,184,207],"acute":[62],"We":[65],"compared":[66,218],"6-week":[67,177,243],"payments":[68,178,244],"as":[69,71],"well":[70],"frequency":[72,203],"hospitalization":[74],"and":[75,129],"emergency":[76,122,157,215,249],"department":[77,123,158,216,250],"revisits":[78],"associated":[79,164],"an":[81,102],"initial":[82],"course":[83],"those":[89,220],"early":[91,137],"endoscopic":[92,138,223,264],"removal.":[94],"To":[95],"account":[96],"unmeasured":[98],"confounding":[99],"performed":[101],"instrumental":[103],"variable":[104],"analysis,":[105],"exploiting":[106],"variation":[107],"in":[108,202],"recommended":[109],"treatments":[110],"based":[111],"on":[112,185,235],"day":[114,152],"week":[117,155],"that":[118],"a":[119,213],"patient's":[120],"first":[121],"visit":[124,217],"occurred.":[125],"RESULTS:":[126],"Overall":[127],"1,835":[128],"4,397":[130],"underwent":[132,222],"or":[136,263],"removal,":[140],"respectively.":[141],"Although":[142],"minimal":[143],"differences":[144],"existed":[145],"between":[146],"respect":[149],"presentation,":[159],"weekend":[160],"were":[162,190,208],"strongly":[163],"receiving":[166],"(p":[170,195],"<0.001).":[171,196],"Two-stage":[172],"least":[173],"squares":[174],"regression":[175],"revealed":[176],"tenfold":[181],"lower":[182,242],"who":[189,221,256],"candidates":[191,258],"either":[193],"treatment":[194],"While":[197],"there":[198],"was":[199],"no":[200],"difference":[201],"hospitalization,":[205],"more":[209,246],"likely":[210],"repeat":[214,248],"removal":[225,266],"(68.8%":[226],"vs":[227],"39.6%,":[228],"respectively,":[229],"p":[230],"=":[231],"0.025).":[232],"CONCLUSIONS:":[233],"Findings":[234],"are":[239,257],"mixed,":[240],"but":[245],"visits.":[251],"These":[252],"inform":[254],"when":[267],"making":[268],"decisions":[269],"about":[270],"their":[271],"care.":[272]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
