Table 1.
The sociodemographic characteristics of children with specific learning disorder (SLD) and the control group
| Variables | SLD group (N=42) | Control group (N=42) | z/χ2 | p |
|---|---|---|---|---|
| Age (yr) | 9.46 (8.04±10.17) | 8.70 (7.73±9.92) | -1.020* | 0.308* |
| Sex, male/female | 33/9 | 33/9 | <0.001 | >0.999 |
| BMI (kg/m2) | 18.54±3.16 | 18.17±3.11 | 0.540 | 0.880 |
| WISC-R | ||||
| VIQ | 90.00±11.90 | 107.03±10.21 | 6.730* | <0.001 |
| PIQ | 103.24±13.70 | 111.38±14. 03 | 2.578* | 0.012 |
| FSIQ (median [IR]) | 95.00 (88.00–103.00) | 108.00 (102.50–115.75) | -4.916† | <0.001 |
| CPRS-RS | ||||
| IA/CP (median [IR]) | 5.00 (4.00–8.00) | 2.00 (0.25–3.00) | -4.951† | <0.001 |
| HA (median [IR]) | 1.00 (0.00–2.00) | 1.00 (0.00–4.00) | -0.838† | 0.402 |
| OB (median [IR]) | 2.00 (1.00–4.00) | 0.50 (0.00–5.75) | -0.661† | 0.509 |
Continuous data are presented as median and as 25–75 percentiles in Mann–Whitney U test, as mean±standard deviation in Student’s t-test.
*
Student’s t-test;
†
Mann–Whitney U test.
BMI, body mass index; WISC-R, Wechsler Intelligence Scale for Children-Revised; VIQ, verbal intelligence quotient; PIQ, performance intelligence quotient; FSIQ, full scale intelligence quotient; CPRS-RS, Conners’ Parent Rating Scale-Revised Short; IA/CP, inattention/cognitive problems; HA, hyperactivity; OB, oppositional behavior