Table 4. Endoscopic follow-up and induced morbidity.

	IRA	IAA	P value
	n = 197	n = 92
Endoscopic follow-up, n (%)
Yes	179 (90.9)	84 (91.3)
No	18 (9.1)	8 (8.7)	0.90
Number of lower endoscopy (mean (SD))	4.4 (3.5)	4.4 (3.5)	0.91
Total number of adenomas per patient	95.6±140.3	84.8±139.9	0.56
Total number of treated adenomas per patient	74±103.8	55.1±97.7	0.15
Mean number of adenomas per endoscopy	23.7±32.2	19.2±23.9	0.20
Mean number of treated adenomas per endoscopy	17.8±20.8	12.9±18.8	0.06
Endoscopic morbidity, n (%)	90 (45.7)	52 (56.5)	0.08
Anesthesia	8 (4.1)	4 (4.3)	0.90
Perforation	3 (1.5)	2 (2.2)	0.65
Pain	14 (7.1)	7 (7.6)	0.33
Acute bleeding	33 (16.8)	14 (15.2)	0.74
Treatment for endoscopic complication, n (%)
Transfusion	3 (1.5)	4 (4.3)	0.21
Surgery	1 (0.5)	0 (0)	1
Redo endoscopy	1 (0.5)	2 (2.2)	0.29

IRA, ileorectal anastomosis; IAA, ileoanal anastomosis.