Research Article
The Evolving Epidemiology of Elderly with Degenerative Valvular Heart Disease: The Guangzhou (China) Heart Study
Figure 1
Flow chart of the cohort in the Guangzhou (China) Heart Study. The G1 Study consists of 3538 subjects. 2565 subjects participated repeatedly in the G2 Study. During follow-up, 88 had moved/emigrated and 126 had died. There were 778 subjects not attending.