Table 1 Admission characteristics of patients with acute mesenteric ischemia (AMI) or abdominal pain of other cause (controls)
|  | AMI patients N = 52 (%) | Controls N = 85 (%) | p-value |
|---|---|---|---|
Age, yearsa | 65 (55–74) | 48 (35–70) | < 0.001 |
Female | 19 (37) | 34 (40) | 0.69 |
Atherosclerosis risk factors (at least one) | 42 (81) | 38 (45) | < 0.001 |
  Tobacco use | 24 (46) | 17 (20) |  |
  Arterial hypertension | 29 (56) | 23 (27) |  |
  Dyslipidemia | 20 (39) | 12 (14) |  |
  Diabetes mellitus | 12 (23) | 5 (6) |  |
Cardiovascular history (at least one) | 34 (65) | 20 (24) | < 0.001 |
  Myocardial ischemia | 10 (19) | 5 (6) |  |
  Stroke | 6 (12) | 5 (6) |  |
  Limb ischemia | 9 (17) | 2 (2) |  |
  Atrial fibrillation | 11 (21) | 4 (5) |  |
  Heart surgery | 3 (6) | 1 (1) |  |
  Vascular surgery | 13 (25) | 1 (1) |  |
  Deep vein thrombosis | 4 (8) | 4 (5) |  |
  Pulmonary embolism | 6 (12) | 4 (5) |  |
Other comorbidities | Â | Â | Â |
  Chronic kidney disease | 1 (2) | 2 (2) | 1.00 |
  Colon ischemia | 0 (0) | 1 (1) | 1.00 |
  Cirrhosis | 4 (8) | 4 (5) | 0.48 |
  Abdominal surgery | 29 (56) | 40 (47) | 0.32 |
  History of digestive neoplasm | 7 (13) | 19 (22) | 0.20 |
Clinical features | Â | Â | Â |
  Temperaturea | 37.0 (36.3–37.1) | 36.8 (36.5–37.5) | 0.52 |
  Mean arterial pressurea | 99.8 (89.1–110.1) | 96.0 (84.3–107.2) | 0.35 |
  Heart ratea | 88 (76–104) | 86 (71–104) | 0.35 |
  Sudden-onset abdominal pain | 31 (71) | 9 (11) | < 0.001 |
  Morphine-requiring abdominal pain | 33 (64) | 19 (22) | < 0.001 |
  Ileus | 8 (15) | 14 (17) | 0.87 |
  Vomiting | 21 (40) | 41 (48) | 0.37 |
  Diarrhea | 12 (23) | 13 (15) | 0.25 |
  Hematochezia | 8 (15) | 3 (4) | 0.02 |
  Guarding | 17 (33) | 16 (19) | 0.07 |
  Total SOFA score > 2 | 15 (30) | 8 (10) | 0.004 |