Table 4.
Comparison of follow-up complications between two groups (n)
| Complications | ERFA group | Control group | χ2 | P value |
|---|---|---|---|---|
| Cases | 30 | 30 | ||
| Lack of skin sensation | 1 | 3 | ||
| Analgesia | 1 | 6 | ||
| Total | 2 | 9 | 5.455 | 0.020 |
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