Fig. 1

Kaplan–Meier curve depicting the probability of sudden cardiac arrest/ventricular arrhythmia upon new use of rosiglitazone vs. pioglitazone, limited to the propensity score-matched sample in Medicaid (N = 379,598). Solid line is pioglitazone. Dashed line is rosiglitazone. p-value for stratified log-rank test = 0.75