Effect of the Herbal Drug Guilu Erxian Jiao on Muscle Strength, Articular Pain, and Disability in Elderly Men with Knee Osteoarthritis

Table 4

Logistic regression analysis of the changes in the non-GEJ-treated group () and the GEJ-treated group ().

Variable	Regression coefficient	S.E.	Odds ratio	95% CI of odds ratio	value
Incremental change of TQ/BW-ext-dominant	0.041	0.022	1.04	1.00–1.09	0.062
Decremental change of visual analog pain scale score	0.846	0.388	2.33	1.09–4.98	0.029*
Change of (III) activities of daily living score	0.824	0.364	2.28	1.12–4.65	0.023*
Constant	−1.262	0.616	0.28		0.040

< 0.05 (tested by Wald statistic).
Accuracy of model = 78.6%.
Model III: backward regression.