Table 2.

Univariate and multivariate analyses of factors affecting recurrence after Delorme’s procedure

Variable	Recurrence rate (%)	Univariate analysis, P-value	Multivariate analysis
			Hazard ratio	95% CI	P-value
Sex
Male	26.0	0.294	Reference
Female	28.4		2.58	0.73–9.03	0.139
Age (yr)
< 65	24.6	0.716	Reference
≥ 65	28.2		1.15	0.34–3.95	0.822
Body mass index
Under weight	0	0.408
Normal	28.1
Preobese	45.5
Length of prolapsed rectum (cm)
<3	7.0	< 0.001	Reference
≥3	42.4		6.28	1.83–21.5	< 0.001
Previous anal surgery
No	29.0	0.142	Reference
Yes	18.3		0.63	0.19–2.18	0.471
Previous surgery for rectal prolapse
No	23.3	0.829
Yes	29.8

CI, confidence interval.