Table 3.

Risk factors for sexual function impairment.

	Sexual function injury (n = 7)	Non-sexual function injury (n = 7)	P value	Odds ratio (95 % CI)
Age (y)	31.4 ± 10.0	34.6 ± 9.8	0.564	–
BMI (kg/m2)	21.9 ± 2.7	22.7 ± 2.6	0.584	–
≥ 26 kg/m2	0 (0)	1 (12.5)	0.333	–
Hypertension	0 (0)	0 (0)	1.000	–
Diabetes mellitus	0 (0)	0 (0)	1.000	–
Previous abdominal and pelvic surgery	6 (85.7)	1 (14.3)	0.008	0.028 (0.001–0.555)
Symptomatic	4 (57.1)	3 (42.9)	0.593	1.778 (0.214–14.767)
Bowel habit change	1 (14.3)	1 (14.3)	1.000	1.000 (0.050–19.963)
Frequent micturition/Dysuria	0 (0)	0 (0)	1.000	–
Abdominal pain/Backache	1 (14.3)	2 (28.6)	0.515	0.417 (0.029–6.064)
Abdominal distension	0 (0)	1 (12.5)	0.333	–
Anal discomfort	3 (42.9)	1 (12.5)	0.185	5.250 (0.400–68.946)
Positive digital rectal examination	7 (100)	6 (75.0)	0.155	–
Imaging evaluation
Major axis (cm)	6.9 ± 2.8	8.2 ± 2.3	0.369	–
0–5.9 cm	4 (57.1)	2 (25.0)
6.0–9.9 cm	1 (14.3)	4 (50.0)	0.300	–
10.0–13.9 cm	2 (28.6)	2 (25.0)
Cross section			0.072	7.500 (0.759–74.157)
Posterior or lateral to rectum	2 (28.6)	6 (75.0)
Adjacent side of the rectum	5 (71.4)	2 (25.0)
Height			0.048	12.500 (0.839–186.299)
Above S3	1/6 (16.7)	5/7 (71.4)
Under S3	5/6 (83.3)	2/7 (28.6)
Pelvic floor muscle invasion	4 (57.1)	4 (50.0)	0.782	1.333 (0.173–10.254)
Polycystic	5 (71.4)	3 (37.5)	0.189	4.167 (0.473–36.736)
ASA classification			0.185	5.250 (0.400–68.946)
Class I	4 (57.1)	7 (87.5)
Class II	3 (42.9)	1 (12.5)
Operation duration (min)	146.4 ± 72.1	129.9 ± 54.7	0.637	–
Blood loss (mL)	49.3 ± 44.0	34.3 ± 32.1	0.480	–
Perioperative complications	5 (71.4)	3 (37.5)	0.189	4.167 (0.473–36.736)
Postoperative length of stay (d)	8.6 ± 5.1	4.9 ± 1.6	0.088	–

Data are presented in n (%) for categorical variables and mean ± standard deviation (SD) for continuous variables.