Psychopathology Prevalence Rate Anxiety Disorder Mood Disorder Behavior Disorder Psychosis
WS No. (%) 40 (47.1) 24 (28.2) 9 (10.6) 13(15.3) 9 (10.6)
DS No. (%) 36 (32.1) 16 (14.3) 9 (8.0) 15(13.4) 1 (0.9)
χ2 4.5* 5.8** 0.4 0.1 7.5**
Young WS No. (%) 22 (50.0) 14 (31.8) 3 (6.8) 9 (20.5) 2 (4.5)
Young DS No. (%) 21 (30.4) 9 (13.0) 3 (4.4) 13(18.8) -
χ2 4.4* 5.8* 0.1 0.1 1.1
Old WS No. (%) 18 (43.9) 10 (24.4) 6 (14.6) 4(9.8) 7 (17.1)
Old DS No. (%) 15 (34.9) 7 (16.3) 6 (14.0) 2(4.7) 1 (2.3)
χ2 0.72 0.67 0.01 0.23 3.72*
WS, Williams Syndrome; DS, Down Syndrome; Young, Children and Adolescents; Old, Adults; *P<0.05; ** P ≤ 0.01
Table 2: Distribution of psychiatric disorders.