Table 2.
Item-Level Differences on Baseline Young Mania Rating Scale (YMRS) and Parent Reported General Behavior Inventory-10 Item Mania Scale (PGBI-10M) Scores Between the DMDD and BP-NOS Groups
| Variable | DMDD | BP-NOS | t test | p Value |
|---|---|---|---|---|
| YMRS | (n = 140) | (n = 77) | ||
| Elevated mood | 0.79 ± 0.99 | 2.12 ± 1.31 | 8.41 | <0.001 |
| Increased motor activity energy | 1.46 ± 1.46 | 2.51 ± 1.42 | 5.12 | <0.001 |
| Sexual interest | 0.47 ± 0.91 | 0.73 ± 1.14 | 1.81 | 0.72 |
| Sleep | 0.54 ± 0.98 | 1.08 ± 1.29 | 3.428 | 0.001 |
| Irritability | 3.64 ± 1.95 | 4.27 ± 1.88 | 2.31 | 0.02 |
| Speech (rate & amount) | 1.88 ± 1.97 | 3.58 ± 2.11 | 5.94 | <0.001 |
| Language thought disorder | 1.15 ± 0.98 | 1.91 ± 0.99 | 5.44 | <0.001 |
| Content | 0.70 ± 1.46 | 1.57 ± 2.03 | 3.65 | <0.001 |
| Disruptive-aggressive behavior | 4.13 ± 1.85 | 4.30 ± 1.87 | 0.65 | 0.52 |
| Appearance | 0.55 ± 0.76 | 1.12 ± 1.05 | 4.57 | <0.001 |
| Impaired insight | 2.01 ± 1.53 | 1.91 ± 1.48 | −0.46 | 0.65 |
| PGBI-10M | (n = 137; *n = 136) | (n = 77) | ||
| Happy/energetic/restless | 1.64 ± 1.14 | 1.69 ± 0.92 | 0.32 | 0.76 |
| Others said too high* | 0.90 ± 0.93 | 1.08 ± 0.86 | 1.40 | 0.16 |
| Labile mood | 1.77 ± 0.97 | 1.96 ± 0.91 | 1.44 | 0.15 |
| Intense mood/anxious* | 0.99 ± 0.97 | 1.16 ± 0.93 | 1.25 | 0.21 |
| Happy/energetic/feelings of rage | 1.52 ± 1.10 | 1.32 ± 1.04 | −1.26 | 0.21 |
| Delayed sleep onset* | 1.23 ± 1.08 | 1.35 ± 1.07 | 0.76 | 0.45 |
| Labile/rarely euthymic | 1.72 ± 0.98 | 1.92 ± 0.89 | 1.48 | 0.14 |
| Dysphoric/irritable then elated | 1.20 ± 1.05 | 1.57 ± 0.95 | 2.58 | 0.01 |
| Euphoric/energetic then irritable | 1.79 ± 0.99 | 1.79 ± 0.98 | 0.03 | 0.98 |
| Racing thoughts | 1.26 ± 0.98 | 1.55 ± 0.97 | 2.04 | 0.04 |
DMDD, disruptive mood dysregulation disorder; BP-NOS, bipolar disorder, not otherwise specified.