Table 1.
Demographics of the Study Cohorts
n |
Mean Age (SD) |
% Female |
Control | P | ||||
---|---|---|---|---|---|---|---|---|
Case | Control | Case | Control | P | Case | |||
Discovery (pooled) | 97 | 216 | 48.4 (15.5) | 76.7 (8.5) | <0.001 | 53.0 | 28.9 | 0.002 |
Rep1 | 96 | 72 | 42.7 (15.1) | 72.9 (11.3) | <0.001 | 38.5 | 9.9 | <0.001 |
Rep2 | 215 | 112 | 41.2 (14.8) | 71.6 (8.5)* | <0.001 | 39.3 | 50.1 | 0.054 |
Discovery (individual) US1 | 222 | 3246 | 43.8 (13.3) | 72.3 (5.4) | <0.001 | 43.7 | 39.2 | 0.188 |
US2 | 304 | 518 | 42.9 (15.6) | 45.4 (13.7) | 0.017 | 31.6 | 47.7 | <0.001 |
Total | 933 | 4164 |
Comparisons were made with a t-test for age and χ2 test for sex.
Age was available only for 68/112 controls in Rep2, and this cohort was not examined.