Table 1.
Characteristics of Patients With Colon Ischemia
| IRCI (N = 71) |
Non-IRCI (N = 202) |
Total CI (N = 273) |
P Value* | |
|---|---|---|---|---|
| Age (mean ± SD) | 72.1 ± 11.4 | 71.7 ± 12.6 | 71.8 ± 12.3 | 0.83† |
| Male, N (%) | 31 (43.7) | 61 (30.2) | 92 (33.7) | 0.04 |
| Race, N (%) | 0.22 | |||
| White | 21 (29.6) | 80 (39.6) | 101 (37.0) | |
| African-American | 16 (22.5) | 36 (17.8) | 52 (19.1) | |
| Hispanic | 27 (38.0) | 74 (36.6) | 101 (37.0) | |
| Asian | 0 (0.0) | 3 (1.5) | 3 (1.1) | |
| Other/Unknown | 7 (9.9) | 9 (4.5) | 16 (5.9) | |
| Site of referral, N (%) | 0.94 | |||
| Home | 52 (74.3) | 144 (72.7) | 196 (73.1) | |
| Nursing home | 10 (14.3) | 33 (16.7) | 43 (16.0) | |
| Rehabilitation facility | 2 (2.9) | 7 (3.5) | 9 (3.4) | |
| Unknown | 6 (8.6) | 14 (7.1) | 20 (7.5) | |
| Coexisting conditions, N (%) | ||||
| Hypertension | 54 (76.1) | 144 (71.3) | 198 (72.5) | 0.44 |
| Diabetes mellitus | 25 (35.2) | 63 (31.2) | 88 (32.2) | 0.53 |
| Coronary artery disease | 35 (49.3) | 64 (31.7) | 99 (36.3) | 0.008 |
| Congestive heart failure | 14 (19.7) | 22 (10.9) | 36 (13.2) | 0.06 |
| Chronic kidney disease | 15 (21.1) | 27 (13.4) | 42 (15.4) | 0.12 |
| Hemodialysis | 12 (16.9) | 18 (8.9) | 30 (11.0) | 0.06 |
| Presenting symptoms, N (%) | ||||
| Bright red blood per rectum | 18 (25.4) | 139 (68.8) | 157 (57.5) | <0.001 |
| Abdominal pain without BRBPR | 33 (46.5) | 41 (20.3) | 74 (27.1) | <0.001 |
| Diarrhea | 1 (1.4) | 12 (5.9) | 13 (4.8) | 0.12 |
IRCI = isolated right-sided colon ischemia; CI = colon ischemia.
*
Tested with χ2 unless otherwise noted.
†
t-test with equal variances.