Table 1. Characteristics of the Sample by Group.
| Placebo (n=18) | Pramipexole (n=16) | Stat | p-value | |
|---|---|---|---|---|
| Age (years) | 44.9 (12.9) | 42.7 (10.4) | F=0.31 | 0.58 |
| % Female | 61.1 | 56.3 | χ2=0.08 | 0.77 |
| % Caucasian | 61.1 | 75.0 | χ2=0.75 | 0.39 |
| Bipolar I/bipolar II | 13/5 | 11/5 | χ2=0.05 | 0.82 |
| % With past Substance use D/O | 50% | 50% | χ2=0.00 | 1.00 |
| Premorbid IQ | 100.8 (9.7) | 100.9 (8.5) | F<0.01 | 0.98 |
| Baseline HAM-D | 4.7 (2.8) | 5.6 (3.0) | F=0.85 | 0.37 |
| Baseline CARS-M | 2.3 (2.1) | 3.7 (2.4) | F=3.26 | 0.08 |
| Week-8 HAM-D | 3.7 (3.5) | 4.1 (3.9) | F=0.07 | 0.79 |
| Week-8 CARS-M | 1.8 (2.8) | 3.8 (4.7) | F=2.27 | 0.14 |
| % On antipsychotics | 66.7 | 62.5 | χ2=0.06 | 0.80 |
| % On antidepressants | 50.0 | 37.5 | χ2=0.54 | 0.43 |
| % On lithium | 38.9 | 50.0 | χ2=0.42 | 0.52 |
| % On anticonvulsants | 50.0 | 43.8 | χ2=0.13 | 0.72 |