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Table 2 SNAP-IV scores for each subscale; inattention, hyperactivity/impulsivity, and oppositional defiant Disorder (ODD)

From: The effect of autistic traits on response to and side-effects of pharmacological ADHD treatment in children with ADHD: results from a prospective clinical cohort

SNAP-IV

Non-ASD symptoms (n = 252)

ASD symptoms (n = 71)

Mean difference (n)

95% Confidence interval

t test significance (p)1

Total score, baseline, mean (n)

43.07

57.06

13.99 (CI;9.39-18.59)

< .001*

Total score, 3 months, mean (n)

31.13

39.85

8.72 (CI; 4.32–13.11)

< .001*

Inattention score, baseline, mean (n)

17.73

20.11

2.38 (CI; 0.97–3.79)

.001*

Inattention score, 3 months, mean (n)

12.57

14.42

1.84 (CI; 0.35–3.34)

.015

Hyperactivity/impulsivity score, Baseline, mean (n)

12.40

17.73

5.34 (CI; 3.33–7.35)

< .001*

Hyperactivity/impulsivity score, 3 months, mean (n)

8.73

11.51

2.79 (CI; 1.07–4.59)

.001*

ODD score, baseline, mean (n)

9.55

13.86

4.31 (CI; 2.61–6.01)

< .001*

ODD score, 3 months, mean (n)

7.35

10.19

2.81 (CI;1.29–4.39)

< .001*

  1. Table displaying SNAP-IV scores, at baseline and at 3 months respectively, distributed between the non-ASD symptoms group and the ASD symptoms group
  2. 1Bonferroni correction was applied for the multiple t-tests. Post-hoc Bonferroni correction α = .003. Thus, adjusted significance level for p-value was < .003
  3. *Significant p value