2018
Inaccuracies in ICD Coding for Obesity Would Be Expected to Bias Administrative Database Spine Studies Toward Overestimating the Impact of Obesity on Perioperative Adverse Outcomes
McLynn RP, Geddes BJ, Cui JJ, Ondeck NT, Bovonratwet P, Shultz BN, Grauer JN. Inaccuracies in ICD Coding for Obesity Would Be Expected to Bias Administrative Database Spine Studies Toward Overestimating the Impact of Obesity on Perioperative Adverse Outcomes. Spine 2018, 43: 526-532. PMID: 28767639, DOI: 10.1097/brs.0000000000002356.Peer-Reviewed Original ResearchConceptsBody mass indexMajor adverse eventsAdverse eventsICD codesVenous thromboembolismElective posterior lumbar fusionGreater body mass indexPerioperative adverse outcomesPostoperative adverse eventsRetrospective cohort studyAssociation of obesityImpact of obesityLength of stayPosterior lumbar fusionLarge academic hospitalSpine surgery literaturePostoperative complicationsPostoperative factorsCohort studyMass indexAdverse outcomesLumbar fusionAcademic hospitalBACKGROUND DATASpine studies
2017
Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data
Basques BA, McLynn RP, Fice MP, Samuel AM, Lukasiewicz AM, Bohl DD, Ahn J, Singh K, Grauer JN. Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data. Clinical Orthopaedics And Related Research® 2017, 475: 2893-2904. PMID: 27896677, PMCID: PMC5670041, DOI: 10.1007/s11999-016-5175-7.Peer-Reviewed Original ResearchMeSH KeywordsComorbidityData AccuracyData CollectionData MiningDatabases, FactualDecision Support TechniquesHumansLength of StayLogistic ModelsMultivariate AnalysisOdds RatioOperative TimeOrthopedic ProceduresPostoperative ComplicationsPredictive Value of TestsProcess Assessment, Health CareRetrospective StudiesRisk AssessmentRisk FactorsSpinal DiseasesSpineTime FactorsTreatment OutcomeUnited StatesConceptsACS-NSQIP databaseAdverse eventsPreoperative laboratory valuesRisk factorsSpine surgeryOperating room timeLaboratory valuesSpine studiesACS-NSQIPDatabase studyRoom timeReference rangeQuality Improvement Program databasePerioperative laboratory valuesVariable reference rangesAnterior cervical discectomyImprovement Program databaseMost risk factorsLength of stayLarge database studiesDifferent risk factorsEffect sizeCervical discectomyMedical comorbiditiesGreater effect size