Skip to main content

Table 1 Clinical characteristics of patients

From: Non-steroidal anti-inflammatory drug-induced enteropathy as a major risk factor for small bowel bleeding: a retrospective study

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)  
  1. aThe denominator is 60 patients with confirmed small bowel lesion
  2. bOther causes of small bowel bleeding, including Crohn’s disease, intestinal tuberculosis, radiation ileitis, small bowel polyps, and small bowel lesions with unknown causes
  3. Categorical and continuous variables are presented as number (%) and mean ± SD, respectively
  4. SD Standard deviation; NSAID Nonsteroidal anti-inflammatory drug; Hb Hemoglobin