Table 1.
Control (N=20) | Depression (N=21) | p | |
---|---|---|---|
Sex (male/female) | 9/11 | 9/12 | NS |
Age (yr) | 37.7±7.3 | 39.4±4.2 | NS |
Handedness (right/left) | 21/0 | 21/0 | NS |
Education (yr) | 9.4±3.5 | 9.7±2.1 | NS |
Family history | NA | NA | |
Outpatient/inpatient | NA | 0/21 | |
Unipolar/bipolar | NA | 21/0 | |
First-episode/relapse | NA | 0/21 | |
HDRS | NA | 27.2±5.3 | |
Relapse frequency (times) | NA | 3.3±0.8 | |
Mean duration of single episode (wk) | NA | 8.4±1.1 | |
Total course of disease onset (wk) | NA | 24.4±2.6 |
Values are given mean±standard deviation. Total course of disease onset=cumulative single episode. HDRS, Hamilton Depression Rating Scale; NA, not applicable; NS, not significant (p>0.05)