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Table 2 Descriptive and comparative analysis of demographic data and psychometric and communicative evaluation among the ADHD subgroups

From: Relation between exposure to different multimedia programs and presentation of attention deficit hyperactivity disorder

  Mild ADHD, N = 13 Moderate ADHD, N = 13 Severe ADHD, N = 13 P1 P2 P3
Age (months) Mean ± SD Mean ± SD Mean ± SD 0.323 0.084 0.445
46.3 ± 11.2 50.7 ± 12.9 54.1 ± 9
Gender N % N % N % 0.005* 0.005*
Males 6 46.2 13 100 13 100
Females 7 53.8 0 0 0 0
IQ Mean ± SD Mean ± SD Mean ± SD 0.175 < 0.001* 0.006*
85.7 ± 12.1 82.6 ± 17.1 75.8 ± 9.9
Social age differences (months) Mean ± SD Mean ± SD Mean ± SD 0.154 0.002* 0.061
2.8 ± 0.7 6.4 ± 2.4 11.1 ± 3.5
Conners’ score N = 10 N = 10 N = 13 < 0.001* < 0.001* < 0.001*
Mean ±SD Mean ± SD Mean ± SD
58.1 ± 1.2 67 ± 2 74.8 ± 2.5
N % N % N %
10 30.3 10 30.3 13 39.4
Language age differences (months) Mean ± SD Mean ± SD Mean ± SD 0.654 0.250 0.114
10 ± 2.8 12.3 ± 3.1 17 ± 5.7
Pragmatic evaluation N = 10 N = 10 N = 13    
N % N % N % < 0.001* < 0.001*
Not affected pragmatic 7 70 0 0 0 0
Affected pragmatic 3 30 10 100 13 100
  1. P1, comparison between mild ADHD and moderate ADHD; P2, comparison between mild ADHD and severe ADHD; P3, comparison between moderate ADHD and severe ADHD. Numerical data is expressed in mean ± SD, compared by t-test; data categories are expressed in frequency (percentage) and compared by the chi-square test. Conner’s test was not applied for children less than 3 years
  2. *Significant