Abdominoperineal Resection for Rectal Cancer: Is the Pelvic Drain Externalization Site an Independent Risk Factor for Perineal Wound Healing?

Table 1

Patients treated by APR for a low rectal cancer (𝑛=75).

Group	PW (𝑛=42)	SW (𝑛=33)	𝑃 value	Significance level
Age*	67.2 (22–81)	71.3 (41–80)	0.157	NS
Sex ♂/♀	26/16	21/12	0.1878	NS
Tumor loc.**		3.1 (0.5–4)
Indication
Curative	38 (90%)	31 (94%)	0.2935	NS
Palliative	4 (10%)	2 (6%)	0.2935	NS
Neo-adjuvant RT/CT	8	17	0.0026	Sig.
Adjuvant RT/CT	21	8	0.0147	Sig.

*yrs: value I median (range).
**cm from the dentate line: value is mean (range).
(NS: non-significant; 𝑃 value >0.05; Sig.: significant, 𝑃 value <0.05).