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Impact of surgical division of the web on the severity of pyriform residue
| Grade | Preoperative N = 12 |
Postoperative N = 12 |
P value |
|---|---|---|---|
| I (none) | 11 (91.67%) | 10 (83.33%) | P = 0.582 (NS) |
| II (trace) | 1 (8.33%) | 1 (8.33%) | |
| III (mild) | 0 | 1 (8.33%) | |
| IV (moderate) | 0 | 0 | |
| V (severe) | 0 | 0 |
