Table 2.

Demographic Description of the Sample.

Groups	AGE Median (interquartile range); min and max	Nart IQ Mean (SD); range	Years of full-time education median (interquartile range); min and max
Controls	35 (10); 24–54	108.3 (13.5); 89–126	14.3–(5.3); 9–24
NON-TD	38 (21); 24–63	101.4 (12.7); 86–122	11.0 (1.5)*; 9–15
TD	33 (16); 23–55	99.2 (10.7); 82–115	11.0 (3)*; 9–12
Analysis  results	P = 0.222a	P = 0.267b	P = 0.029a

^aKruskal Wallis, ^bone-way ANOVA, *no difference between TD and non-TD patients for years of education.