Table 1: Comparison of the demographic data of case and control groups
| Parameter | Case group (n = 30) (mean ± SD) | Control group (n = 30) (mean ± SD) | p-value | ||||
| Age (years) | 4.4 ± 0.89 | 4.5 ± 1.1 | 0.7 | ||||
| Male/female | 20/10 | 19/11 | 0.9 | ||||
| Deft | 8.4 ± 1.3 | 0 | 0.00 |
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