Table 1 Patient characteristics
Characteristics | Total (n=260) | No SSBO(n=215) | SSBO (n=45) | P-value |
|---|---|---|---|---|
Age(years) | 61.0(50; 68) | 59(46; 66) | 70(62; 75) | <0.001* |
Gender | Â | Â | Â | 0.937 |
 Male  Female | 166(63.8%) 94(36.2%) | 138(64.2%) 77(35.8%) | 28(62.2%) 17(37.8%) |  |
Doctor in charge | Â | Â | Â | 0.202 |
 Senior seniority  Low seniority | 206(79.2%) 54(20.8%) | 174(80.9%) 41(19.1%) | 32(71.1%) 13(28.9%) |  |
Peritonitis: | Â | Â | Â | <0.001* |
 Yes  No | 61(23.5%) 199(76.5%) | 38(17.7%) 177(82.3%) | 23(51.1%) 22(48.9%) |  |
Abdominal pain | Â | Â | Â | 0.664 |
 Yes  No | 200(76.9%) 60(23.1%) | 167(77.7%) 48(22.3%) | 33(73.3%) 12(26.7%) |  |
Abdominal distention | Â | Â | Â | 0.745 |
 Yes  No | 243(93.5%) 17(6.5%) | 200(93.0%) 15(6.98%) | 43(95.6%) 2(4.44%) |  |
Vomiting | Â | Â | Â | 0.193 |
 Yes  No | 196(75.4%) 64(24.6%) | 166(77.2%) 49(22.8%) | 30(66.7%) 15(33.3%) |  |
Extensive adhesion and separation | Â | Â | Â | 0.003 |
 Yes  No | 165(63.5%) 106(40.8%) | 118(54.9%) 97(45.1%) | 36(80.0%) 9(20.0%) |  |
Intestinal resection and anastomosis | Â | Â | Â | <0.001* |
 Yes  No | 113(43.5%) 147(56.5%) | 79(36.7%) 136(63.3%) | 34(75.6%) 11(24.4%) |  |
Chronic diseases | Â | Â | Â | 0.484 |
 Yes  No | 165(63.5%) 95(36.5%) | 139(64.7%) 76(35.3%) | 26(57.8%) 19(42.2%) |  |
Complications | Â | Â | Â | 0.005 |
 Yes  No | 64(24.6%) 196(75.4%) | 45(20.9%) 170(79.1%) | 19(42.2%) 26(57.8%) |  |
Presence of gas and liquid in X-ray | Â | Â | Â | 0.994 |
 Yes  No | 211(81.2%) 49(18.8%) | 175(81.4%) 40(18.6%) | 36(80.0%) 9(20.0%) |  |
Severe obstruction in CT | Â | Â | Â | 0.748 |
 Yes  No | 165(63.5%) 95(36.5%) | 135(62.8%) 80(37.2%) | 30(66.7%) 15(33.3%) |  |
Adhesive band in CT | Â | Â | Â | 0.062 |
 Yes  No | 126(48.5%) 134(51.5%) | 98(45.6%) 117(54.4%) | 28(62.2%) 17(37.8%) |  |
Small intestinal fecal sign in CT | Â | Â | Â | 0.373 |
 Yes  No | 81(31.2%) 179(68.8%) | 70(32.6%) 145(67.4%) | 11(24.4%) 34(75.6%) |  |
Ascites in CT | Â | Â | Â | 0.710 |
 Yes  No | 125(48.1%) 135(51.9%) | 105(48.8%) 110(51.2%) | 20(44.4%) 25(55.6%) |  |
Abdominal operations times | Â | Â | Â | 0.173 |
 0  1  2  3 | 94(36.2%) 113(43.5%) 47(18.1%) 6(2.31%) | 81(37.7%) 87(40.5%) 42(19.5%) 5(2.33%) | 13(28.9%) 26(57.8%) 5(11.1%) 1(2.22%) |  |
Operation time(hour) | 2.5(1.90; 3.5) | 2.45(1.67; 3.4) | 3.2(2.50; 4.50) | <0.001* |
Blood loss(ml) | 50.0(40.0; 95.0) | 50.0(35.0; 95.0) | 50.0(40.0; 85.0) | 0.699 |
APACHE II Score | 5.0(4.0; 8.0) | 5.0(3.0; 7.0) | 8.0(7.0; 11.0) | <0.001* |
BMI | 22.3(20.0; 24.0) | 22.2(20.0; 24.0) | 23.1(20.1; 23.9) | 0.723 |
Body temperature(°C) | 36.3(36.1; 36.6) | 36.3(36.1; 36.7) | 36.2(36.2; 36.4) | 0.360 |
Heart rate | 82.0(78.0; 96.0) | 80.0(77.5; 98.0) | 96(80.0; 96.0) | 0.180 |
White blood cell(×109/L) | 6.67(5.29; 9.98) | 6.42(5.16; 8.84) | 10.6(6.71; 13.8) | <0.001* |
Postoperative white blood cells | 9.71(7.24; 12.5) | 9.48(7.17; 12.2) | 10.5(7.54; 16.5) | 0.071 |
Hemoglobin(g/dL) | 126(109; 140) | 126(109; 140) | 124(107; 135) | 0.667 |
Serum creatinine(μmol /L) | 72.0(57.7; 98.7) | 73.0(59.1; 98.8) | 68.5(45.8; 98.3) | 0.330 |
Urea nitrogen(mmol/L) | 5.45(3.91; 8.32) | 5.20(3.75; 6.98) | 8.67(5.19; 12.5) | <0.001* |
Albumin(g/L) | 32.9(±6.85) | 33.3(±6.85) | 30.9(±6.53) | 0.026* |
Potassium(mmol/L) | 4.06(±0.57) | 4.04(±0.56) | 4.13(±0.59) | 0.383 |
Sodium(mmol/L) | 142(135; 144) | 142(133; 145) | 143(141; 143) | 0.910 |
Procalcitonin | 0.76(0.35; 1.76) | 0.62(0.3; 1.34) | 1.94(0.89; 7.33) | <0.001* |
Oxygen partial pressure(mmHg) | 89.0(73.0; 100) | 92.0(73.0; 100) | 82.0(69.0; 100) | 0.384 |
Arterial blood PH | 7.38(7.34; 7.47) | 7.38(7.33; 7.47) | 7.35(7.35; 7.49) | 0.346 |