Table 2.
Main clinical signs and laboratory findings of the two groups.
| Variable | Surgical (n = 88) | Conservative (n = 421) | OR/Z | P |
|---|---|---|---|---|
| Worsening abdominal distension, n (%) | 43 (48.9) | 23 (5.5) | OR = 16.54 | <0.001 |
| Bloody stool, n (%) | 45 (51.1) | 299 (71.0) | OR = 0.43 | <0.001 |
| Abdominal tenderness, n (%) | 54 (61.4) | 18 (4.3) | OR = 35.56 | <0.001 |
| Abdominal guarding, n (%) | 56 (63.6) | 12 (2.9) | OR = 59.65 | <0.001 |
| Abdominal mass, n (%) | 5 (5.7) | 0 (0.0) | – | <0.001 |
| Abdominal-wall erythema, n (%) | 11 (12.5) | 3 (0.7) | OR = 19.90 | <0.001 |
| CRP, mg/L, M (Q1,Q3) | 71.01 (41.49, 110.47) | 3.52 (0.88, 15.01) | Z = −13.74 | <0.001 |
| WBC, ×109/L | 6.05 (4.21, 10.68) | 9.96 (7.99, 12.70) | Z = −7.11 | <0.001 |
| Lymphocytes, ×109/L | 1.50 (0.98, 2.40) | 3.41 (2.48, 4.54) | Z = −9.08 | <0.001 |
| Platelets, ×109/L | 212.5 (116.75, 284.25) | 271 (211, 355) | Z = −5.40 | <0.001 |
| Serum sodium, mmol/L | 136.0 (134.0, 138.0) | 138.0 (136.0, 140.0) | Z = −5.79 | <0.001 |
CRP, C-reactive protein; WBC, white-cell count.