Table 2.

Bleeding Diagnoses in Patients Discharged with Acute Lower Intestinal Bleeding in the 2002 Nationwide Inpatient Sample ^a

Bleeding diagnosis	Weighted Number*	Weighted %*	Unadjusted In-hospital mortality (%)
Diverticular bleeding	75,050	33.1	2.5
Hemorrhoids	45,386	20.0	1.3
Colorectal polyps	29,636	13.1	1.1
Colorectal cancer	18,640	8.2	6.2
Intestinal ischemia	14,920	6.6	13.4
Angiodysplasia	13,712	6.0	2.6
Noninfectious colitis	11,060	4.9	1.8
Inflammatory bowel disease	10,010	4.4	2.2
Colon ulcer	3,661	1.6	1.4
Solitary rectal ulcer syndrome	3,238	1.4	4.0
Anal fissure	2,181	1.0	0
Infectious colitis	1,552	0.7	2.1
Radiation enteritis	915	0.4	5.6

^aAll numbers and percentages are weighted to provide nationwide estimates.

Patients could have more than one discharge code consistent with bleeding or a potential source of bleeding. Therefore, totals do not equal 100%.