A prospective randomized trial of transnasal ileus tube vs nasogastric tube for adhesive small bowel obstruction

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.