Risk factors for perioperative complications in laparoscopic surgeries of retrorectal cystic lesions

Table 3 Univariate and multivariate analyses of factors associated with perioperative complication in all patients (n = 62)

Variates	Univariate analysis			Multivariate analysis
	OR	95%CI	P	OR	95%CI	P value
Sex
Male	Reference
Female	5.125	0.538-48.718	0.155
Age, yr
≤ 60	Reference
> 60	0.559	0.087-3.605	0.541
BMI, kg/m2
≤ 23	Reference
> 23	1.700	0.621-4.657	0.302
ASA
Class I	Reference
Class II	0.826	0.284-2.400	0.726
Type 2 diabetes mellitus
No	Reference
Yes	3.954	0.306-51.098	0.292
Hypertension	Reference
No
Yes	0.591	0.126-2.774	0.505
Tumor diameter, cm
< 10	Reference			Reference
≥ 10	3.339	1.122-9.938	0.030a	3.286	1.020-10.587	0.046a
Tumor location
S3↑	Reference			Reference
S3↓	2.187	0.755-6.341	0.149	1.991	0.655-6.054	0.225
Operation duration, min
< 121 min	Reference
≥ 121 min	1.670	0.611-4.568	0.318
Blood loss, ml
< 25 mL	Reference
≥ 25 mL	1.923	0.699-5.285	0.205
Previous abdominal surgery
No	Reference			Reference
Yes	0.750	0.274-2.051	0.575	0.667	0.227-1.963	0.462
Previous treatment
No	Reference			Reference
Yes	1.389	0.350-5.505	0.640	0.938	0.208-4.226	0.933

^aP value < 0.05 indicates the statistical difference.