Association between thigh muscle strength four years after partial meniscectomy and radiographic features of osteoarthritis 11 years later

Table 3 Association between thigh muscle strength and radiographic knee OA features at follow-up*

	Unadjusted			Adjusted
Predictor	OR	95% CI	P	OR	95% CI	P
Muscle strength, operated leg	JSN grade† operated knee
Knee extensors	0.973	0.953–0.994	0.010	0.967	0.942–0.993	0.014
Knee flexors	0.950	0.914–0.988	0.009	0.943	0.899–0.989	0.016
	Osteophyte score†† operated knee
Knee extensors	0.970	0.948–0.993	0.012	0.972	0.948–0.996	0.022
Knee flexors	0.954	0.916–0.993	0.022	0.953	0.913–0.994	0.025
Muscle strength, contralateral leg	JSN grade† contralateral knee
Knee extensors	0.974	0.949–0.999	0.043	0.963	0.931–0.996	0.028
Knee flexors	0.950	0.903–0.998	0.043	0.940	0.886–0.998	0.043
	Osteophyte score†† contralateral knee
Knee extensors	0.981	0.960–1.003	0.087	0.966	0.936–0.997	0.031
Knee flexors	0.956	0.914–1.000	0.049	0.939	0.885–0.997	0.038

*Analysed with logistic regression, models with and without adjustment for sex and overweight are presented.†JSN grade refers to grade of joint space narrowing in the medial tibiofemoral compartment of the operated/contralateral knee; ††Osteophyte score refers to osteophyte score of the medial tibiofemoral compartment of the knee

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