TABLE 3.

Extent of disease for ulcerative colitis patients admitted to hospital

Disease extent	Age, years		Total, n	P
	>65	19–50
Proctosigmoiditis*	6 (20)	2 (8.7)	8	0.24
Left-sided colitis†	4 (13.3)	7 (30.4)	11
Extensive colitis‡	20 (66.7)	14 (60.9)	34
Total	30	23	53

Data presented as n (%) unless otherwise indicated.

^*Rectum and/or sigmoid colon only (<30 cm);

^†Extending to involve descending colon and/or splenic flexure;

^‡Extending to involve transverse colon, hepatic flexure, ascending colon and/or cecum