Table 1.
Comparison of baseline clinical variables between groups with (+) and without (−) subthreshold bipolarity, defined according to a predefined cutoff (7 points) score on K-MDQ
| Variable | Bipolarity (−) (n=48) |
Bipolarity (+) (n=30) |
P-value |
|---|---|---|---|
| Age (years) | 38.90±12.78 | 39.13±15.31 | 0.94 |
| Sex (male/female) | 11/37 | 6/24 | 0.76 |
| Suicide attempt history (no/yes) | 33/15 | 13/17 | 0.026* |
| Baseline BDI score | 25.75±9.52 | 29.6±9.72 | 0.089 |
| Baseline HAMD score | 19.21±4.73 | 18.5±5.39 | 0.54 |
| Baseline HAMA score | 20.31±6.05 | 22.07±6.31 | 0.22 |
| Baseline BSS score | 9.44±7.71 | 16.67±9.97 | <0.01** |
| K-MDQ score | 3.85±1.57 | 9.63±2.01 | <0.01** |
Notes:
*
P<0.05,
**
P<0.01. Except where indicated otherwise, the data are mean ± SD.
Abbreviations: BDI, Beck Depression Inventory; HAMD, Hamilton Depression Rating Scale; HAMA, Hamilton Anxiety Rating Scale; BSS, Beck Scale for Suicide Ideation; K-MDQ, Korean version of the Mood Disorder Questionnaire; SD, standard deviation.