Table 2.
Univariate analysis of risk factors associated with transmural bowel infarction in the training cohort
| Variable | OR (95%CI) | P value |
| Age, yr | 0.97 (0.95-0.99) | 0.01 |
| Gender, male vs female | 2.22 (1.06-4.65) | 0.03 |
| Tobacco use | 1.03 (0.48-2.23) | 0.94 |
| Hypertension | 1.10 (0.38-3.20) | 0.86 |
| Diabetes | 3.85 (0.86-17.14) | 0.08 |
| Ischemic heart disease | 2.81 (0.34-23.36) | 0.34 |
| Previous history of DVT | 3.14 (1.53-6.47) | 0.002 |
| Malignant disease | 0.41 (0.21-1.78) | 0.99 |
| Diarrhea | 1.04 (0.39-2.81) | 0.93 |
| Hematochezia | 2.53 (1.33-4.79) | 0.004 |
| Fever | 1.16 (0.47-2.83) | 0.75 |
| Abdominal distention | 3.56 (1.82-6.97) | < 0.001 |
| Abdominal tenderness | 7.25 (3.40-15.46) | < 0.001 |
| Rebound tenderness | 9.14 (4.17-20.04) | < 0.001 |
| White blood cells, > 10 × 109/L vs ≤ 10 × 109/L | 1.12 (1.06-1.17) | < 0.001 |
| Hemoglobin, > 120 g/L vs ≤ 120 g/L | 1.01 (1.00-1.02) | 0.35 |
| Platelets, > 100 × 109/L vs ≤ 100 × 109/L | 1.00 (0.99-1.01) | 0.96 |
| C-reactive protein, > 50 mg/L vs ≤ 50 mg/L | 1.02 (1.01-1.02) | 0.05 |
| Serum lactate levels, > 2 mmol/L vs ≤ 2 mmol/L | 6.53 (3.27-13.04) | < 0.001 |
| Creatinine, > 106 µmol/L vs ≤ 106 µmol/L | 2.05 (0.96-4.41) | 0.07 |
| D-dimer, > 0.5 mg/L vs ≤ 0.5 mg/L | 1.00 (1.00-1.01) | 0.50 |
| Procalcitonin, > 0.5 µg/L vs ≤ 0.5 µg/L | 1.02 (0.92-1.12) | 0.72 |
| Distal thrombosis | 2.13 (1.07-4.36) | 0.02 |
| Portal vein or/and splenic vein extension | 1.01 (0.52-1.94) | 0.98 |
| Decreased bowel wall enhancement | 9.00 (4.24-19.12) | < 0.001 |
| Bowel wall thickening | 1.99 (0.98-2.01) | 0.24 |
| Bowel loop dilation | 2.21 (1.67-3.54) | 0.03 |
| Pneumatosis intestinalis | 1.36 (1.23-3.15) | 0.04 |
| Ascites | 1.40 (0.76-2.58) | 0.28 |
| Recent surgery | 1.13 (0.54-2.38) | 0.74 |
| Intraperitoneal inflammation | 1.63 (0.84-3.16) | 0.15 |
| Liver cirrhosis | 2.44 (1.28-4.68) | 0.007 |
OR: Odd ratio; CI: Confidence interval; DVT: Deep venous thrombosis.