Kaplan-Meier curves are illustrated for CVD-related morality in subjects 55 years or older both with and without central obesity or hypertension in men (left column) and women (right column). a. Central obesity (h-WC = 1, dotted line; h-WC = 0, solid line); b. Arterial hypertension (AH = 1, dotted line; AH = 0, solid line). All the subjects who smoked, drank alcohol, or chewed betel nut were excluded. AH, arterial hypertension; CVD, cardiovascular disease; h-WC, high waist circumference.
Wang et al. BMC Public Health 2012 12:111 doi:10.1186/1471-2458-12-111