Complications and survival in patients undergoing colonic stenting for malignant obstruction

Table 2 Factors associated with the development of complications (perforation, migration, and stent re-occlusion)

Variables	Complication				P value
	Yes		No
	Mean	95%CI	Mean	95%CI
Age	70	58.37-81.63	66.97	62.60- 71.34	0.56
Sex
Male	12.82%	2.00%-23.64%	87.18%	76.36%-98.00%	0.17
Female	25.80%	9.87%-41.74%	74.19%	58.26%-90.13%
Hemoglobin	106	73-140	102	92-114	0.84
Platelet count	287	176-398	271	234-308	0.38
Creatinine	90	76-104	93	73-113	0.76
Urea	5.44	2.78-8.09	7.04	4.77-9.32	0.83
Albumin	29.31	25.11-33.50	30.49	28.56-32.43	0.59
Alanine aminotransferase	53	17-88	34	30-37	0.28
Aspartate aminotransferase	86	7-165	28	21-34	0.13
Alkaline phosphatase	439	1-930	144	92-196	0.21
Total bilirubin	37	1-88	13	8-17	0.33
International normalized ratio	1.15	1.06-1.24	1.44	1.19-1.68	0.03
Carcinoembryonic antigen	188	0-439	69	19-148	0.32
Length of stenosis (cm)	5.43	4.75-6.11	5.09	4.24-5.93	0.49
Duration between symptoms and stenting (d)	5	1.62-8.38	4.59	2.94-6.24	0.80
Duration between stenting and surgery (d)	51.33	10.96-91.70	28.34	11.76-44.93	0.26
Neo-adjuvant chemotherapy	17.14%	4.22%-30.07%	22.22%	5.92%-38.53%	0.62
Number of stents	1.15	0.93-1.38	1.1	1.03-1.20	0.66