Extrusion of the anterior segment of the medial meniscus extrusion initiates knee osteoarthritis: evaluation using magnetic resonance imaging

Journal of Experimental Orthopaedics

Table 3 Analysis of factors affecting the medial meniscus extrusion

Multiple linear regression analysis
Dependent variables	Independent Variables	Non-standardized coefficients		Standardized coefficients
		B	SE	β	P value
Medial meniscus extrusion	Age	0.17	0.072	0.21	0.018
	Body mass index	0.13	0.27	0.040	0.62
	K-L grade	4.68	0.85	0.48	< 0.001
	Femorotibial angle	− 0.0050	0.0072	− 0.055	0.49
Logistic regression analysis
Dependent variables	Independent variables	P value	Odds ratio	95% Confidence Interval		Standard Error
				Lower	Upper
Medial meniscus extrusion	Sex	0.21	0.98	0.96	1.01	0.014
	Medial meniscus tear	< 0.001	1.16	1.09	1.23	0.031

K-L grade Kellgren-Lawrence grade, B Partial regression coefficient, SE Standard error, β Standard partial regression coefficient
Boldface text indicates statistical significance