Limitations of administrative databases in spine research: a study in obesity
Golinvaux NS, Bohl DD, Basques BA, Fu MC, Gardner EC, Grauer JN. Limitations of administrative databases in spine research: a study in obesity. The Spine Journal 2014, 14: 2923-2928. PMID: 24780248, DOI: 10.1016/j.spinee.2014.04.025.Peer-Reviewed Original ResearchConceptsICD-9 codesBody mass indexNational inpatient databaseProportion of patientsLarge academic medical centerNinth Revision codesCross-sectional studySurgery researchSpine surgery researchAcademic medical centerOnly comorbidityPediatric patientsMass indexInpatient DatabaseRevision codesDiagnosis codesMedical recordsAdministrative databasesSpine surgeryMedical CenterDatabase studyInternational ClassificationPatientsObesityLarger sample size