Table 1.
Laterality compared to absence of the PL.
| Hand affected | Absent PL | P |
|---|---|---|
| Right (n = 516) | 61 (11.8%) | 0.924a |
| Left (n = 516) | 62 (12.0%) |
aChi-squared (χ 2 = 0.01, df = 1).
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