Table 1 Clinical characteristics of patients
Characteristic | Overall (n = 83) | Bloody stool (n = 55) | Normal stool (n = 28) | p-value |
|---|---|---|---|---|
Age, yr. | 59 ± 18 | 61 ± 19 | 56 ± 15 | 0.185 |
Sex, male | 52 (62.7) | 37 (67.3) | 15 (53.6) | 0.222 |
Aspirin/NSAID | 37 (44.6) | 25 (45.5) | 12 (42.9) | 0.822 |
Hemoglobin (g/dL) | 8.7 ± 3.0 | 8.7 ± 2.8 | 8.9 ± 3.5 | 0.785 |
Albumin (g/dL) | 3.8 ± 0.6 | 3.7 ± 0.7 | 3.9 ± 0.6 | 0.191 |
Small bowel bleeding | 60 (72.3) | 43 (78.2) | 17 (60.7) | 0.093 |
Specific lesiona | ||||
 Angioectasia | 14 (23.3) | 14 (32.6) | 0 (0.0) |  |
 NSAID-induced | 25 (41.7) | 15 (34.9) | 10 (58.8) | 0.024 |
 enteropathy | 21 (35.0) | 14 (32.6) | 7 (41.2) |  |
 Other causesb |  |  |  |  |
Site of bleedinga | ||||
 Jejunum | 16 (26.7) | 14 (36.2) | 2 (11.8) |  |
 Ileum | 38 (63.3) | 26 (60.5) | 12 (70.6) | 0.169 |
 Indeterminate | 6 (10.0) | 3 (7.0) | 3 (17.6) |  |