. Author manuscript; available in PMC: 2013 Jun 5.

Published in final edited form as: J Spinal Disord Tech. 2010 Apr;23(2):101–105. doi: 10.1097/BSD.0b013e31819afb80

Table 2.

Associations between spondylolysis and facet orientation while adjusted for age, sex and BMI. Results of multiple logistic regression analysis.

Dependent Variable	Independent Variable	OR	95%CI
Spondylolysis L5	Age	1.04	0.99	1.10
	Sex ^*	0.22	0.06	0.85
	BMI	1.00	0.88	1.13
	Facet orientation L3-L4 Rt	1.00	0.93	1.09
	Facet orientation L3-L4 Lt	0.99	0.92	1.07
	Facet orientation L4-L5 Rt	0.97	0.88	1.07
	Facet orientation L4-L5 Lt	1.04	0.95	1.15
	Facet orientation L5-S1 Rt	1.01	0.96	1.07
	Facet orientation L5-S1 Lt	1.00	0.94	1.05
	Facet tropism (continuous) L3-L4	1.05	0.94	1.18
	Facet tropism (continuous) L4-L5	0.93	0.82	1.06
	Facet tropism (continuous) L5-S1	1.03	0.96	1.10

Sex: Male as reference group; statistically significant association at p<0.05 level marked bold.