Table 2.
Intelligence test scores and age at test by sex and status (CAH, control).
| Females with CAH | Unaffected Females | Males with CAH | Unaffected Males | Significant Effects | |
|---|---|---|---|---|---|
| Time 1, Progressive Matrices [10]: Number correct of 36 | |||||
| N | 14 | 9 | 9 | 16 | |
| Mean | 30.71 | 25.33 | 28.22 | 27.81 | |
| SD | 4.80 | 8.32 | 4.12 | 4.68 | |
| Age at test (years) | |||||
| Mean | 10.68 | 8.85 | 8.95 | 9.21 | |
| SD | 1.09 | 1.30 | 1.58 | 1.47 | |
| Time 2, Peabody Picture Vocabulary Test [11]: Standardized Score | |||||
| N | 18 | 13 | 18 | 19 | |
| Mean | 105.33 | 92.15 | 102.56 | 101.79 | F CAH>Unaff+ |
| SD | 15.87 | 18.52 | 12.72 | 13.97 | |
| Age at test (years) | |||||
| Mean | 8.51 | 8.14 | 7.42 | 8.34 | |
| SD | 3.33 | 1.54 | 2.66 | 2.49 | |
| Time 3, Peabody Picture Vocabulary Test [11]: Standardized Score | |||||
| N | 45 | 25 | 30 | 42 | |
| Mean | 110.56 | 101.16 | 107.01 | 106.95 | F CAH>Unaff* |
| SD | 13.24 | 15.17 | 12.59 | 15.49 | |
| Age at test (years) | |||||
| Mean | 10.43 | 10.57 | 9.64 | 10.57 | |
| SD | 4.17 | 4.80 | 3.76 | 3.51 | |
| Time 4, Vocabulary [12, 13] Percent correcta | |||||
| N | 44 | 18 | 29 | 31 | |
| Mean | 0.72 | 0.62 | 0.61 | 0.71 | |
| SD | 0.17 | 0.24 | 0.20 | 0.16 | |
| Age at test (years) | |||||
| Mean | 15.71 | 16.76 | 15.76 | 15.66 | |
| SD | 4.99 | 4.28 | 5.07 | 3.61 | |
aBecause of variability in participant age, several different forms of this test were used. To increase the statistical power to detect group differences, scores were combined into a single Vocabulary measure.
Most group differences are not significant. Significant effects are noted, +P < .07, *P < .01.