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Table 3 Frequency of children within each of the three groups scoring above the 80 th , 90 th , 95 th , and 98 th percentile on the ASSQ total score according to a) either parent or teacher report; b) both parent and teacher report

From: Autism spectrum symptoms in children with neurological disorders

a) 80th percentilea 90th percentileb 95th percentilec 98th percentiled
Neurological disorders, n (%) 72 (72.7)*** 57 (57.6)*** 42 (42.4)*** 31 (31.3)***
Other chronic illnesses, n (%) 150 (38.3) 81 (20.7) 47 (12.0)* 9 (2.3)
No chronic illness, n (%) 1572 (33.5) 880 (19.0) 400 (8.7) 162 (3.5)
b) 80 th percentile a 90 th percentile b 95 th percentile c 98 th percentile d
Neurological disorders, n (%) 51 (51.5)*** 34 (34.3)*** 23 (23.2)*** 14 (14.1)***
Other chronic illnesses, n (%) 47 (11.9)** 22 (5.5)* 10 (2,5) 1 (0.3)
No chronic illness, n (%) 373 (7.5) 165 (3.3) 68 (1.3) 16 (0.3)
  1. a 80th percentile = parent score of 5 and teacher score of 3; b 90th percentile = parent score of 8 and teacher score of 5; c 95th percentile = parent score of 12 and teacher score of 9; d 98th percentile = parent score of 17 and teacher score of 14. ***Significantly higher than the two other groups at the p<.001 level; **significantly higher than the no chronic illness group at the p<.01 level; *significantly higher than the no chronic illness group at the p<.05 level.