From: Clinical predictors of incident gallstone disease in a Chinese population in Taipei, Taiwan
Incidence of any gallstone disease | ||||
---|---|---|---|---|
Variable | No. of no GSD at first screening | New cases | Person years at risk | Incidence Density (% per year) (95% CI) |
Gender | ||||
Male | 621 | 8 | 1614.5 | 0.496 (0.181-1.973) |
Female | 675 | 15 | 2025.5 | 0.741 (0.254-2.116) |
p-value | 0.40 | |||
Age | ||||
<40 | 373 | 2 | 932.5 | 0.214 (0.062-1.719) |
40-49 | 409 | 5 | 1063.5 | 0.470 (0.112-2.103) |
50-59 | 285 | 5 | 855 | 0.585 (0.236-1.983) |
60+ | 229 | 11 | 789 | 1.394 (0.410-2.477) |
p-value | 0.03 | |||
Total | 1296 | 23 | 3640 | 0.632 (0.292-2.009) |