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Table 3 Comparison of PWS and AS participants on ADOS-2 algorithm items using Fisher’s exact test

From: Exploring autism symptoms in an Australian cohort of patients with Prader-Willi and Angelman syndromes

  PWS AS   
n % atypical n % atypical p Φ
SA
 Pointing 12 33.3 19 68.5 .075 .343
 Gestures 25 48.0 19 52.6 .999 .046
 Eye contact 25 64.0 19 52.6 .542 .115
 Facial expressions 25 64.0 19 84.2 .181 .225
 Shared enjoyment 25 68.0 19 31.6 .032 .361
 Showing 12 33.3 19 42.1 .717 .088
 Response to joint attention 12 8.3 19 26.3 .363 .222
 Initiation of joint attention 12 16.7 19 42.1 .240 .265
 Quality of social overtures 25 64.0 19 78.9 .335 .162
 Amount of social overtures 25 36.0 19 57.9 .223 .218
 Rapport 25 84.0 19 73.7 .467 .127
 Reportinga 13 69.2 – – – –
 Conversationb 20 75.0 – – – –
 Amount of communicationb 20 35.0 – – – –
 Insighta 13 92.3 – – – –
 Communication of own affectc 5 100 – – – –
RRB
 Sensory 25 40.0 19 5.3 .013 .397
 Mannerisms 25 36.0 19 89.5 .001 .539
 Repetitive and stereotyped behaviours 25 64.0 19 68.4 .999 .046
 Stereotyped languageb 25 56.0 – – – –
  1. p value (p) in italics remains < 0.05 after adjustment for multiple comparisons using FDR
  2. n sample size, Φ effect size
  3. aModule 3 and 4 item
  4. bModule 2–4 item
  5. cModule 4 item
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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