. Author manuscript; available in PMC: 2015 May 1.

Published in final edited form as: J Vasc Surg. 2014 Jan 6;59(5):1368–1376. doi: 10.1016/j.jvs.2013.11.007

Table II.

Univariate and Multivariable Binary Logistic Regression Analysis to Predict Thrombosis of Last UGS Injections of IPVs

Univariate					Multivariable
Variable	Odds Ratio (per unit)	p-value	95% CI lower	95% CI upper	Odds Ratio (per unit)	p-value	95% CI lower	95% CI upper
Male Gender	0.61	0.52	0.13	2.75
Age (years)	0.98	0.35	0.93	1.03
Maximum BMI (kg/m²)	0.73	0.20	0.46	1.17
Maximum BMI > 30 (kg/m²)	0.27	0.11	0.05	1.36
Maximum Weight (kg)	0.96	0.16	0.91	1.01
Deep vein reflux	1.21	0.80	0.26	5.56
Previous deep vein thrombosis	0.98	0.98	0.23	4.24
History of smoking, current smoking	2.36	0.28	0.50	11.1
Hyperlipidemia	0.36	0.15	0.09	1.45
Hypertension	0.39	0.36	0.05	2.91
Taking Coumadin	0.13	0.51	0.0003	55.6
Deep vein thrombosis after UGS IPV	0.06	0.31	0.0003	13.5
Number of UGS IPV	0.65	0.004	0.48	0.87	0.65	0.004	0.48	0.87
Initial follow up to last follow up (days)	1.0001	0.74	0.9995	1.00
Initial Ulcer Area (cm²)	1.02	0.66	0.95	1.08