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Age and gender data of cases and controls.
| Characteristics | Cases | Controls | t-test value | P-value |
|---|---|---|---|---|
| Gender, n (%) | ||||
| Males | 15 (50) | 13 (65) | ||
| Females | 15 (50) | 7 (35) | χ2=1.1 | 0.360 |
| Total | 30 (100) | 20 (100) | ||
| Age, years | 4.9±3.1 | 6.6±3.1 | t=1.85 | 0.183 |
Age is mean ± standard deviation.
