Journal of Experimental Orthopaedics

Table 2 Coefficients of multiple regression analysis for patient quality of life

From: MMP-3 in the peripheral serum as a biomarker of knee osteoarthritis, 40 years after open total knee meniscectomy

	Estimate	Std. Error	t value	Pr(>\|t\|)
(Intercept)	-1.41E + 02	4.85E + 00	−29.16	0.02182*
AgeAtSur	1.15E + 01	2.97E-01	38.61	0.01648*
Gagind40	3.92E-01	3.67E-03	106.92	0.00595**
dGAG40	−2.10E + 00	2.75E-02	−76.48	0.00832**
MMP3ind40	−1.55E-01	2.48E-03	−62.63	0.01016*

Signif. codes: 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘’ 1
Residual standard error: 0.2449 on 1 degrees of freedom
Multiple R-squared: 1, Adjusted R-squared: 0.9998
F-statistic: 7406 on 4 and 1 DF, p-value: 0.008715

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