Table 1.
Demographic and clinical characteristics for PBD, ADHD and HC
| PBD (N=17) | ADHD (N=15) | HC (N=14) | ||
|---|---|---|---|---|
| Variable | Mean (SD) | Mean (SD) | Mean (SD) | F, p |
| Age in years (Age range: 10–18) | 14.27 (1.98) | 12.93 (2.60) | 14.14 (2.42) | F(2,43) = 1.37, p=.27 |
| Estimated IQa (IQ range: 80–115) | 98.40 (6.74) | 96.10 (12.69) | 104.5 (10.14) | F(2,43) = 2.84, p=.07 |
| SES | 2.35 (.61) | 2.57 (.94) | 2.00 (.92) | F(2,43) = 2.25, p=.12 |
| YMRS | 14.13 (6.73) | 6.67 (5.25) | .86 (1.51) | F(2,43) = 27.27, p=.000001 |
| PBD>ADHD: p=.001 | ||||
| PBD>HC: p=.001 | ||||
| ADHD>HC: p=.005 | ||||
| CDRS-R | 52.19 (10.12) | 21.25 (7.86) | 19.43 (2.28) | F(2,43) = 95.38, p=.000001 |
| PBD>ADHD: p=.000001 | ||||
| PBD>HC: p=.000001 | ||||
| ADHD vs HC: p=.54. | ||||
| ADHD Rating Scale IV- R | 22.63 (8.63) | 26.93 (8.67) | 2.79 (4.15) | F(2,43) = 41.44, p=.001 |
| PBD vs ADHD: p=.12 | ||||
| PBD>HC: p=.001 | ||||
| ADHD>HC: p=.001 | ||||
| Variable | N (%) | N (%) | N (%) | Fisher’s Exact Test (two-tailed) |
| Sex | ||||
| Male | 6 (35%) | 12 (80%) | 7 (50%) | ADHD vs. PBD: p=.02 |
| Female | 11 (65%) | 3 (20%) | 7 (50%) | ADHD vs. HC: p=.13 |
| PBD vs. HC: p=.50 | ||||
| Handedness | ||||
| Right | 16 (94%) | 15 (100%) | 14 (100%) | ADHD vs. PBD:. p=1.00 |
| Left | 1 (6%) | 0 (0%) | 0 (0%) | ADHD vs. HC: p=1.00 |
| PBD vs. HC: p=1.00 | ||||
| Race Composition | ||||
| Caucasian | 8 (47%) | 3 (20%) | 7 (50%) | ADHD vs. PBD:. p=.15 |
| Other | 9 (53%) | 12 (80%) | 7 (50%) | ADHD vs. HC: p=.13 |
| PBD vs. HC: p=1.00 | ||||
Note. YMRS = Young Mania Rating Scale; CDRS-R = Child Depression Rating Scale-Revised; SES = socioeconomic status; PBD = Pediatric Bipolar Disorder; ADHD = Attention Deficit Hyperactivity Disorder; HC = Healthy Control.
a
Estimated with Wechsler Abbreviated Scale of Intelligence (WASI; Matrix Reasoning and Vocabulary Subtests).