Table 1. Characteristics of cases and controls in this study.
Variable(s) | Case (n = 285) | Control (n = 308) | p value |
---|---|---|---|
Sex N(%) | < 0.001a | ||
Male | 173 (60.7) | 396 (78.1) | |
Female | 112(39.3) | 111 (21.9) | |
Age, year (mean ± SD) | 41.88 ± 12.79 | 47.43 ± 9.74 | < 0.001b |
Two-sided Chi-squared test.
Independent samples t test.