Table 3 Distribution of the children with intellectual disability in different diagnostic categories of mental retardation based on ICD - 10 criteria
Category | Mental Retardation | IQ Range | Median IQ Scores | Mean 'Ratio IQ' Scores | Classification Based on Clinicians' Assessment N (%) | Classification Based on 'Ratio IQ' Scores N (%) |
|---|---|---|---|---|---|---|
F 70 | Mild | 50 - 70 | 60 | 55.0 ± 7.1 | 4 (9.1) | 4 (9.1) |
F 71 | Moderate | 35 - 49 | 42 | 44.1 ± 7.3 | 27 (61.4) | 27 (61.4) |
F 72 | Severe | 20 - 34 | 27 | 36.1 ± 12.8 | 11 (25.0) | 11 (25.0) |
F 73 | Profound | 0 - 20 | 10 | 27.3 ± 15.3 | 2 (4.5) | 2 (4.5) |