Table 2. Prolonged POI occurrence among 11,397 colorectal cancer patients underwent surgical resection with different ACCI.

Variables	Rectal Cancer			Colon Cancer
	Total	Event (%)	P value	Total	Event (%)	P value
ACCI	5,864	108 (1.8)	0.029	5,533	440 (8.0)	0.001
0–1	1,103	13 (1.2)		1,022	80 (7.8)
2–3	2,830	46 (1.6)		2,238	156 (7.0)
4–5	1,385	34 (2.5)		1,509	114 (7.6)
≥ 6	5,46	15 (2.7)		7,64	90 (11.8)

ACCI: Age-adjusted charlson comorbidity index.