Table 1.
Compared the clinical and laboratory characteristics of the patients with or without strangulated bowel obstruction
| Characteristics | SiBO (n = 236) | StBO (n = 45) | p-value |
|---|---|---|---|
| Gender, n(%) | 0.124 | ||
| male | 164(69.5%) | 26(57.8%) | |
| female | 72(30.5%) | 19(42.2%) | |
| Age(median) | 61 | 63 | 0.421* |
| BMI, n(%) | 0.432 | ||
| 18.5–23.9 | 114(59.1%) | 19(52.8%) | |
| ≤ 18.5 | 45(23.3%) | 12(33.3%) | |
| > 23.9 | 34(17.6%) | 5(13.9%) | |
| Comorbidity, n(%) | 0.406 | ||
| none | 175(74.2%) | 36(80.0%) | |
| yes | 61(25.8%) | 9(20.0%) | |
| Pain duration, n(%) | 0.036 | ||
| ≤ 3 days | 133(56.6%) | 33(73.3%) | |
| > 3 days | 102(43.4%) | 12(26.7%) | |
| History of abdominal operation, n(%) | 0.716 | ||
| none | 62(26.3%) | 13(28.9%) | |
| yes | 174(73.7%) | 32(71.1%) | |
| Temperature(median) | 36.6 | 36.6 | 0.584* |
| Abdominal pain, n(%) | 0.012** | ||
| none or mild | 35(14.9%) | 1(2.2%) | |
| moderate | 142(60.4%) | 26(57.8%) | |
| severe | 58(20.7%) | 18(40.0%) | |
| Abdominal distention, n(%) | 0.761 | ||
| none | 63(26.7%) | 13(28.9%) | |
| yes | 173(73.3%) | 32(71.1%) | |
| Vomiting, n(%) | 0.702 | ||
| none | 75(31.8%) | 13(28.9%) | |
| yes | 161(68.2%) | 32(71.1%) | |
| Retention of stool and flatus, n(%) | 0.077 | ||
| none | 96(40.7%) | 12(26.7%) | |
| yes | 140(59.3%) | 33(73.3%) | |
| Tenderness, n(%) | 0.038** | ||
| none | 35(14.8%) | 1(2.2%) | |
| yes | 201(85.2%) | 44(97.8%) | |
| Rebound tenderness, n(%) | < 0.001 | ||
| none | 190(80.5%) | 22(48.9%) | |
| yes | 46(19.5%) | 23(51.1%) | |
| Bowel sounds, n(%) | 0.014 | ||
| normal | 104(44.1%) | 13(28.9%) | |
| none or low | 82(34.7%) | 26(57.8%) | |
| high or hyperactive | 50(21.2%) | 6(13.3%) | |
| WBC, (10^9/L), n(%) | 0.029 | ||
| ≤ 75% quartile | 183(77.5%) | 28(62.2%) | |
| > 75% quartile | 53(22.5%) | 17(37.8%) | |
| NE%, n(%) | 0.007 | ||
| ≤ 75% quartile | 186(78.8%) | 27(60.0%) | |
| > 75% quartile | 50(21.2%) | 18(40.0%) | |
| HCO3-, n(%)(mean) | 23.78 | 23.62 | 0.789 |
| PCT,n(%) | 0.080** | ||
| < 0.02 | 4(3.4%) | 1(6.2%) | |
| 0.02–1 | 102(87.9%) | 11(68.8%) | |
| > 1 | 10(8.6%) | 4(25%) | |
| Potassium, n(%) | 0.003** | ||
| 3.5–5.5 | 204(86.8%) | 32(71.1%) | |
| ≤ 3.5 | 30(12.8%) | 10(22.2%) | |
| > 5.5 | 1(0.4%) | 3(6.7%) | |
| Sodium, n(%) | 0.009 | ||
| > 135 | 196(83.4%) | 30(66.7%) | |
| ≤ 135 | 39(16.6%) | 15(33.3%) | |
| Glucose(median) | 6.80 | 8.34 | 0.002* |
| BUN, n(%) | < 0.001 | ||
| ≤ 8.3 | 185(81.5%) | 24(57.1%) | |
| > 8.3 | 42(18.5%) | 18(42.9%) | |
| PT, n(%) | 0.056** | ||
| ≤ 16 s | 219(94.0%) | 38(84.4%) | |
| > 16 s | 14(6.0%) | 7(15.6%) | |
| DDI, n(%) | 0.251 | ||
| ≤ 0.5 | 29(13.6%) | 3(7.1%) | |
| > 0.5 | 185(86.4%) | 39(92.9%) | |
SiBO simple bowel obstruction, StBO strangulated bowel obstruction, BMI body mass index, WBC white blood cell, NE% neutrophil percentage, PCT: procalcitonin, BUN blood urea nitrogen, PT prothrombin time, DDI D-dimer
Values marked with “*” were compared using Wilcoxon rank-sum test
Values marked with “**” were adjusted p-values