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

Table 2

Risk factors associated with increased morbidity after APR; comparison of the study groups.

Group	PW (𝑛=42)	SW (𝑛=33)	𝑃 value	Significance level
Age (>55 yrs)	29	26	0.136	NS
Comorbidity	30	27	0.128	NS
Diabetes	11	7	0.191	NS
Cardiopulmonary dis.	4	5	0.212	NS
Vascular dis.	8	9	0.153	NS
Obesity (B.M.I. >30 kg/m^2)	12	9	0.203	NS
Neo-adjuvant RT/CT	8	17	0.0026	Sig.

NS: non-significant, 𝑃 value >0.05; Sig.: significant, 𝑃 value <0.05.