Table 1.
Clinical characteristics, difference decompression responses and therapeutic efficacies of ileus tube group and nasogastric tube group
| Clinical characteristics | Ileus tube group(n = 96) | NGT group(n = 90) | P value | OR (95% CI) |
| Mean age (yr) | 58 | 54 | 0.07 | - |
| Male/female | 56/40 | 56/34 | 0.59 | - |
| Past laparotomies (n) | 89 | 86 | 0.41 | 0.59 (0.17–2.09) |
| Surgery type | ||||
| Colorectal surgery | 35 | 28 | 0.35 | 1.34 (0.72–2.50) |
| Small-bowel resection | 15 | 14 | 0.92 | 1.04 (0.47–2.31) |
| Gastroduodenal surgery | 8 | 12 | 0.3 | 0.61 (0.24–1.57) |
| Appendectomy | 8 | 6 | 0.62 | 1.32 (0.44–3.97) |
| Gallbladder and pancreas surgery | 4 | 4 | 1 | 0.97 (0.23–3.99) |
| Splenectomy | 3 | 4 | 0.96 | 0.72 (0.16–3.29) |
| Bladder or kidney surgery | 2 | 2 | 1 | 0.97 (0.13–7.01) |
| Gynecologic surgery | 14 | 16 | 0.61 | 0.82 (0.37–1.80) |
| Symptoms on admission (n) | - | |||
| Abdominal pain | 85 | 82 | 0.56 | 0.75 (0.29–1.97) |
| Distention | 93 | 85 | 0.65 | 1.82 (0.42–7.86) |
| Nausea or vomiting | 58 | 65 | 0.09 | 0.59 (0.32–1.09) |
| Disappearance of flatus and defecation | 84 | 72 | 0.17 | 1.75 (0.29–3.88) |
| Laboratory data before intubation (n) | ||||
| Elevated WBC count | 70 | 67 | 0.81 | 0.92 (0.48–1.78) |
| Elevated CRP level | 37 | 42 | 0.26 | 0.72 (0.40–1.29) |
| Elevated ESR level | 31 | 27 | 0.74 | 1.11 (0.60–2.07) |
| Therapeutic efficacies (%) | ||||
| Rate of abdominal pain or distention relieved within 48 h | 95.8 (92/96) | 46.7 (42/90) | < 0.01 (χ2 = 55.75) | 26.29 (8.90–77.66) |
| Surgery rate | 10.4 (10/96) | 53.3 (48/90) | < 0.01 (χ2 = 39.87) | 0.10 (0.05–0.22) |
| Effectiveness rate for recurrent adhesive small bowel obstruction | 95.8 (24/25) | 31.6 (12/38) | < 0.01 (χ2 = 25.55) | 52.00 (6.28–430.67) |
| Total effectiveness rate | 89.6 (86/96) | 46.7 (42/90) | < 0.01 (χ2 = 39.87) | 9.83 (4.53–21.33) |
| Differences in decompression responses by ileus tube and NGT (mean ± SD) | t | |||
| Time for relief of abdominal pain or distention (h) | 23.8 ± 10.9 | 59.1 ± 30.1 | < 0.01 | -10.4 |
| Appearance of flatus and defecation (d) | 2.4 ± 1.7 | 6.5 ± 3.2 | < 0.01 | -10.4 |
| Time to abdominal radiographic improvement (d) | 4.1 ± 2.3 | 8.5 ± 5.0 | < 0.01 | -6.9 |
| WBC recovery (d) | 4.0 ± 2.4 | 7.0 ± 4.8 | < 0.01 | -4.6 |
| CRP recovery (d) | 5.5 ± 2.5 | 8.8 ± 3.9 | < 0.01 | -4.4 |
| ESR recovery (d) | 5.8 ± 2.4 | 8.7 ± 3.9 | < 0.01 | -4.1 |
| Drainage volume on the first day (mL) | 698 ± 428 | 280 ± 167 | < 0.01 | 8.9 |
CI: Confidence interval; CRP: C-reaction protein; ESR: Erythrocyte sedimentation rate; NGT: Nasogastric tube; OR: Odds ratio; SD: Standard deviation; WBC: White blood cells.