Should We Question the External Validity of Database Studies? A Comparative Analysis of Demographics.
Purpose: To define the external validity of national and institutional databases for common sports medicine procedures.Methods: Patient demographic data including age, sex, body mass index (BMI), and 4 racial categories were aggregated between 2007 and 2016 across 2 databases for 4 common sports med...
| Publicado en: | Arthroscopy: The Journal of Arthroscopy & Related Surgery Vol. 35; no. 9; pp. 2686 - 2695 |
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| Autores principales: | , , , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Wiley-Blackwell
Sep2019
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=138588725&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 138588725 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 07498063 10OH jtl: Arthroscopy: The Journal of Arthroscopy & Related Surgery issn: 07498063 maglogo: N pubinfo: dt: Sep2019 vid: 35 iid: 9 pid: 480 pub: Wiley-Blackwell place: Malden, Massachusetts artinfo: ui: 138588725 138588725 NLM31500756 138588725 10.1016/j.arthro.2019.05.020 NLM31500756 138588725 ppf: 2686 ppct: 9 formats: tig: atl: Should We Question the External Validity of Database Studies? A Comparative Analysis of Demographics. aug: au: Beletsky, Alexander Lu, Yining Patel, Bhavik H Chahla, Jorge Cvetanovich, Gregory L Forsythe, Brian Cole, Brian J Verma, Nikhil affil: Division of Sports Medicine, Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, U.S.A sug: subj: Quality Improvement Population Orthopedic Surgery Standards Wounds and Injuries Surgery Demography Human Male Risk Factors Cross Sectional Studies Resource Databases Wounds and Injuries Ethnology Middle Age Female Incidence United States Retrospective Design Validation Studies Comparative Studies Evaluation Research Multicenter Studies Middle Aged: 45-64 years Male Female ab: Purpose: To define the external validity of national and institutional databases for common sports medicine procedures.Methods: Patient demographic data including age, sex, body mass index (BMI), and 4 racial categories were aggregated between 2007 and 2016 across 2 databases for 4 common sports medicine procedures: anterior cruciate ligament reconstruction, arthroscopic rotator cuff repair (RCR), partial meniscectomy (PMx), and both arthroscopic and open shoulder stabilization. The first database of interest was a prospectively collected institutional database. The second was the National Surgical Quality Improvement Program (NSQIP) database. Two-sample t tests were performed to examine mean differences (MDs) in age and BMI, and χ2 testing was used to test differences in sex and race.Results: A total of 7,019 institutional and 108,881 NSQIP patients were examined. The NSQIP cohort was significantly older (MD, 1.40 years), included more female patients (42.60% female patients vs 35.67% female patients), and showed a different racial distribution compared with the institutional data (all P < .0001). The NSQIP PMx cohort (MD, 7.38 years) was significantly older and the NSQIP RCR cohort (MD, 1.97 years) was significantly younger than their institutional counterparts (all P < .0001). The NSQIP anterior cruciate ligament reconstruction cohort (MD, 2.53) showed a greater average BMI (P < .0001). The NSQIP RCR cohort (41.8% female patients vs 33.3% female patients) and PMx cohort (46.0% female patients vs 37.9% female patients) also included more female patients. Race was distributed variably between databases for each procedure code (all P < .0001).Conclusions: Significant differences in age, BMI, sex, and race distributions were observed between an institutional database and the NSQIP database. This study underlines the importance of defining the generalizability of database research, particularly when significant demographic differences between databases may underlie differences in postoperative outcomes.Level Of Evidence: Level III, cross-sectional study. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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