Table 1 Age distribution of participants in the case-control study
Age groups | Cases, n (%) | Controls, n (%) |
|---|---|---|
≤ 30 y | 17 (2.1%) | 17 (2.1%) |
31 – 40 y | 140 (17.0%) | 140 (17.0%) |
41 – 50 y | 296 (36.0%) | 298 (36.2%) |
51 – 60 y | 235 (28.6%) | 233 (28.3%) |
61 – 70 y | 96 (11.7%) | 93 (11.3%) |
71 – 80 y | 36 (4.4%) | 39 (4.7%) |
≥ 81 y | 3 (0.4%) | 3 (0.4%) |
Total | 823 (100%) | 823 (100%) |
Median | 49 y | 49 y |
SD | 10.82 y | 10.82 y |