Table 1.
Pre and postoperative perforation size
| Preoperative | Postoperative | |||
|---|---|---|---|---|
| Perforation size | Perforation size | |||
| n | Mean ± SD | n | Mean ± SD | |
| Underlay group | 61 | 30.11 ± 5.35 | 7 | 6.00 ± 3.13 |
| Over-underlay group | 53 | 31.41 ± 8.65 | 5 | 5.00 ± 5.15 |
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