Table 2.
Demographic and clinical profiles of bipolar depression patients, unipolar depression patients and healthy controls
| Characteristics (mean ± SD) | BD (n = 23) | UD (n = 22) | HC (n = 24) | Analysis | |
|---|---|---|---|---|---|
| F/χ2 | p | ||||
| Age (years) | 24.67 ± 6.17 | 27.57 ± 4.06 | 25.82 ± 5.42 | − 2.064 | 0.014a |
| Education (years) | 11.41 ± 2.69 | 11.84 ± 2.69 | 10.78 ± 2.95 | 1.679 | 0.126a |
| Sex (male/female) | 12/11 | 12/10 | 13/11 | 0.185 | 0.911a |
| Duration of illness (months) | 9.59 ± 4.53 | 9.59 ± 4.53 | – | − 6.518 | < 0.001a |
| Chlorpromazine equivalents (mg) | 276.12 ± 245.86 | 259.00 ± 249.79 | – | 0.333 | 0.702b |
| HAMD | 21.57 ± 4.67 | 20.05 ± 5.78 | – | 0.506 | 0.671b |
| YMRS | 15.84 ± 7.7 | 14.29 ± 6.53 | – | 1.084 | 0.841b |
| WAIS-digit symbol | 53.56 ± 12.08 | 69.50 ± 14.37 | 79.07 ± 11.44 | 27.365 | < 0.001b |
p < 0.05
HC healthy controls, BD bipolar depression, UD unipolar depression, HAMD Hamilton Rating Scale for Depression, YMRS Young Mania Rating Scale
aAnalysis of variance
bTwo-sample t tests