Table 1 Characteristics of the study population
From: Correlation between variants of the CREB1 and GRM7 genes and risk of depression
Variables | Controls (n = 329) | Patients (n = 480) | P value |
|---|---|---|---|
Age (years) | 44.0 ± 16.9 | 41.8 ± 17.9 | 0.08 |
Gender, n (%) | |||
 Male | 105 (31.9) | 139 (29.0) | 0.37 |
 Female | 224 (68.1) | 341 (71.0) |  |
Age of onset (years) | 36.8 ± 16.9 |  | |
Pulse rate |  | 80.6 ± 11.4 |  |
Depressive episode (%) | |||
 Severe |  | 252 (52.5) |  |
 Mild/moderate |  | 228 (47.5) |  |
Family history (%) | |||
 Positive |  | 94 (19.6) |  |
 Negative |  | 386 (80.4) |  |
Suicide attempt | |||
 Yes |  | 292 (60.8) |  |
 No |  | 188 (39.2) |  |
First episode (%) | |||
 Yes |  | 248 (51.7) |  |
 No |  | 232 (48.3) |  |