Clinical characteristics and prognosis of patients with ulcerative colitis that shows rectal sparing at initial diagnosis

Table 3 Clinical prognosis of ulcerative colitis with rectal sparing versus without rectal sparing (control)

			Rectal sparing UC (n = 24)	Control (n = 72)	P value
Age			35.8 ± 11.0	36.6 ± 10.6	Matched
Sex (male:female)			19:5	57:15	Matched
Disease extent (E2/E3)			8/16	24/48	Matched
Follow-up period (mo)			103.4 ± 41.3	109.4 ± 41.6	0.5
Clinical outcomes
	Use of systemic corticosteroid				0.77
		3-yr cumulative rate	35.3%	34.7%
		5-yr cumulative rate	46.0%	41.8%
		10-yr cumulative rate	53.8%	61.1%
	Use of biologics		4 (16.7%)	10 (13.9%)	0.74
		Hospitalization	4 (16.7%)	16 (22.2%)	0.77
		Colectomy	2 (8.3%)	2 (2.8%)	0.26

UC: Ulcerative colitis.