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Cross-tabulation of gender and clinician-rated ability level in the two PDA groups
| Severe–moderate LD | Mild LD–borderline | Normal ability range | Missing ability information | Total | |
|---|---|---|---|---|---|
| Substantial PDA features group | |||||
| Male | 2 | 1 | 5 | 0 | 8 |
| Female | 0 | 3 | 0 | 0 | 3 |
| Total | 2 | 4 | 5 | 0 | 11 |
| Some PDA features group | |||||
| Male | 2 | 3 | 4 | 1 | 10 |
| Female | 1 | 4 | 1 | 0 | 6 |
| Total | 3 | 7 | 5 | 1 | 16 |
