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Table 2 Intelligence test scores and age at test by sex and status (CAH, control).

From: Normal Intelligence in Female and Male Patients with Congenital Adrenal Hyperplasia

  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  
  1. 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.
  2. Most group differences are not significant. Significant effects are noted, , *.