Table 1 Distribution of sex and age according to the case/control status in the discovery and replication samples.
Discovery sample | Replication sample | Combined | |||||
|---|---|---|---|---|---|---|---|
Covariate | Cases | Controls | Cases | Controls | Cases | Controls | |
Sex | Male | 177 (44.0)a | 168 (41.9) | 198 (43.5) | 98 (41.1) | 375 (43.8) | 266 (41.6) |
Female | 225 (56.0) | 233 (58.1) | 257 (56.5) | 140 (58.9) | 482 (56.2) | 373 (58.4) | |
Total | 402 | 401 | 455 | 238 | 857 | 639 | |
Ageb | Mean age (SD) | 18.5 (16.7) | 39.8 (17.3) | 22.4 (17.3) | 26.1 (18.7) | 20.5 (17.1) | 34.6 (19.0) |
Median age | 11 | 40 | 15 | 22.5 | 13 | 35 | |