Figure. Kaplan–Meier survival curves for world leaders after a first coronary heart disease event.Data collection ended on 1 January 2000. At that time, 17 of 18 members of the 1990–1999 cohort were still alive. The mean survival time was 3 years for the 1970–1979 cohort, 5 years for the 1980–1989 cohort, and at least 4 years for the 1990–1999 cohort. Statistical tests of the differences between cohorts were not performed. Censored data points represent participants who were alive on 1 January 2000; >1 circle or square at a time point indicates 2 surviving participants.