Shown are the adjusted hazard ratios and 95% confidence intervals (CI) for safety and efficacy outcomes at 1 year for drug-eluting stents and for bare-metal stents (reference category), stratified according to off-label or standard use (Panel A) or stratified according to off-label characteristic (Panel B). Models were adjusted for age, sex, circumstances of the procedure (elective, urgent, or emergency), history or no history of percutaneous coronary intervention (PCI), history or no history of coronary-artery bypass grafting, presence or absence of chronic kidney disease, history or no history of congestive heart failure, presence or absence of diabetes mellitus, number of involved vessels, number of lesions attempted, reason for revascularization, and medical regimen at discharge from the hospital. In both panels, the solid symbols represent the adjusted hazard ratios, and the horizontal lines indicate the 95% CI.