. 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 3.

Comparison of the facet joint OA prevalence between individuals with and without spondylolysis at L5 level.

	Individuals with spondylolysis	Individuals without spondylolysis	Comparison (p-value) ^**
Facet joint OA L3-L4 Rt ^*	9(52.9%)	69(40.8%)	0.3347
Facet joint OA L3-L4 Lt ^*	10(58.8%)	70(41.4%)	0.1671
Facet joint OA L4-L5 Rt ^*	14(82.4%)	96(57.1%)	0.0436
Facet joint OA L4-L5 Lt ^*	16(94.1%)	95(56.6%)	0.0026
Facet joint OA L5-S1 Rt ^*	14(82.4%)	97(59.2%)	0.0615
Facet joint OA L5-S1 Lt ^*	13(76.5%)	82(50.0%)	0.0375

Prevalence.

^**

Results of χ² test. Statistically significant differences at p≤0.05 level are marked bold.