A case study of ascertainment bias for the primary outcome in the Strategies to Reduce Injuries and Develop Confidence in Elders (STRIDE) trial
Esserman DA, Gill TM, Miller ME, Greene EJ, Dziura JD, Travison TG, Meng C, Peduzzi PN. A case study of ascertainment bias for the primary outcome in the Strategies to Reduce Injuries and Develop Confidence in Elders (STRIDE) trial. Clinical Trials 2021, 18: 207-214. PMID: 33678038, PMCID: PMC8009806, DOI: 10.1177/1740774520980070.Peer-Reviewed Original ResearchConceptsPrimary outcome definitionUsual care armSerious fall injuriesMedical attentionOutcome definitionsFall injuriesElders trialCare armOvernight hospitalizationStudy powerCare managersIntervention effectsType 2 injuriesAscertainment biasAscertainment of outcomesInterim monitoring planUsual careHazard ratioPrimary outcomeIntervention armClinical trialsUnblinded observerClinical basisMulticomponent interventionAdditional fall