Intent-to-treat analysis and the problem of crossovers An example from the Veterans Administration coronary bypass surgery study
Peduzzi P, Detre K, Wittes J, Holford T. Intent-to-treat analysis and the problem of crossovers An example from the Veterans Administration coronary bypass surgery study. Journal Of Thoracic And Cardiovascular Surgery 1991, 101: 481-487. PMID: 1999942, DOI: 10.1016/s0022-5223(19)36731-5.Peer-Reviewed Original ResearchConceptsTreat analysisTreatment changesVeterans Administration Cooperative StudyDate of randomizationIschemic heart diseaseRandomized clinical trialsNew treatment groupEffect of treatmentStable anginaSurgical therapyMedical therapySurgical treatmentInitial treatmentSurgical interventionSurgery StudyMajor trialsHeart diseaseClinical trialsTreatment groupsCooperative StudySurvival dataTreatmentTherapyTrialsAdherence