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Table 2 SCQ scores and age at onset of epilepsy according to communication level and genetic aberration

From: Effect of epilepsy on autism symptoms in Angelman syndrome

  Epilepsy (N = 31) No epilepsy (N = 7)   Epilepsy and level of nonverbal communication (n = 31) Epilepsy and type of genetic aberration (n = 23)
   p value [Hedges’ g] < 20 signs (n = 17) ≥ 20 signs (n = 14) p value [Hedges’ g] Deletion (n = 18) Other genetic aberration (n = 5) p value [Hedges’ g]
SCQ mean (SD) 17.0 (5.6) 13.6 (6.7) 0.354 [0.59] 19.4 (4.4) 14.1 (5.7) 0.007 [1.05] 18.7 (5.0) 10.8 (6.6) 0.007 [1.48]
Age at onset of epilepsy mean (SD) 36.6 months (26.0) na na 30.2 months (18.5) 44.4 months (32.1) 0.160 [0.56] 25.2 months (13.7) 79.0 months (19.3) < 0.001 [3.60]
Age (SD) 20.0 years (9.7) 13.0 years (9.6) 0.170 [0.72] 21.4 years (10.6) 18.2 years (8.6) 0.57 [0.33] 16.6 years (5.2) 17.4 years (9.5) 0.104 [0.13]
  1. SCQ Social Communication Questionnaire score, na not applicable