Table 2 Univariate and multivariate analysis of CT findings in patients with or without StBO
From: Prediction and management of strangulated bowel obstruction: a multi-dimensional model analysis
Univariate analysis(n = 281) | Multivariate analysis(n = 281) | ||||
|---|---|---|---|---|---|
CT characteristics | SiBO (n = 236) | StBO (n = 45) | p-value | OR (95%CI) | p-value |
Mesenteric fluid | 0.018 | ||||
none | 44(18.6%) | 2(4.4%) | |||
yes | 192(81.4%) | 43(95.6%) | |||
Ascites | 0.002 | 4.067 (1.506–10.983) | 0.006 | ||
none | 81(34.3%) | 5(11.1%) | |||
yes | 155(65.7%) | 40(88.9%) | |||
Spiral signs | < 0.001 | 5.506 (2.609–11.623) | < 0.001 | ||
none | 211(89.4%) | 27(60.0%) | |||
yes | 25(10.6%) | 18(40.0%) | |||
Concentric circle sign | 0.476** | ||||
none | 225(95.3%) | 42(93.3%) | |||
yes | 11(4.7%) | 3(6.7%) | |||
Small bowel feces sign | 0.901 | ||||
none | 113(47.9%) | 22(48.3%) | |||
yes | 123(52.1%) | 23(51.1%) | |||
Edema of bowel wall | 0.037 | ||||
none | 85(36.0%) | 9(20.0%) | |||
yes | 151(64.0%) | 36(80.0%) | |||
Bowel wall thickness (median) | 3.33 | 3.48 | 0.110* | ||