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Differences between the groups according to fibrosis grades (p values*).
| Groups | F | I | II | III |
|---|---|---|---|---|
| I | 18.50 | - | 0.023 | 0.002 |
| II | 10.13 | .023 | - | .957 |
| III | 8.88 | .002 | .957 | - |
I: control, II: absorbable gelatin sponge, III: resorbable polyethylene glycol hydrogel (Coseal)*Calculations were performed by the Kruskal–Wallis test. F = mean rank of fibrosis grades. *Significant at the 0.05 level.
