Table 3.

A multivariate logistic regression analysis of risk factors for postoperative recurrence

Variables	B value	SE	Wald	P value	Odds ratio	95%CI
New classification	2.035	0.325	39.271	0.000	7.651	4.049-14.458
Time from symptom onset to surgery (days)	0.760	0.343	4.890	0.027	2.137	1.090-4.190
Chronic diarrhea	0.920	0.369	6.203	0.013	2.508	1.216-5.173
Anesthesia method of perianal abscess	0.836	0.288	8.436	0.004	2.308	1.313-4.059