Normal Intelligence in Female and Male Patients with Congenital Adrenal Hyperplasia

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 correct
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

Because 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, , *.

ISSN: 1687-9856