Clinical Study
Abdominoperineal Resection for Rectal Cancer: Is the Pelvic Drain Externalization Site an Independent Risk Factor for Perineal Wound Healing?
Table 3
Staging and differentiation.
| Group | PW () | SW () | value | Significance level |
| Staging (Duke’s) | | | | | In situ | 2 | — | 0.310 | NS | A | 3 | 3 | 0.311 | NS | BI | 6 | 5 | 0.254 | NS | BII | 14 | 13 | 0.165 | NS | CI | 3 | 3 | 0.311 | NS | CII | 11 | 7 | 0.191 | NS | D | 3 | 2 | 0.351 | NS | Differentiation | | | | NS | Well | 10 | 4 | 0.107 | NS | Moderate | 28 | 23 | 0.189 | NS | Poor | 4 | 6 | 0.149 | NS |
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NS: non-significant, value >0.05.
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