Should knee extension strength testing be implemented as a screening test for identifying probable and confirmed sarcopenia in older T2DM patients?

Table 6 Multivariate Analysis of Covariance (MANCOVA) - effects on knee extension and handgrip strength

Variable	Wilks’ λ	f	DF/DF Error	Partial η2
Weight	0.915	3.562*	2,77	0.085
Age	0.945	2.221	2,77	0.055
T2DM Years	0.887	4.925*	2,77	0.113
HbA1c	0.988	0.462	2,77	0.012
Vitamin D	0.987	0.512	2,77	0.013
# of drugs	0.998	0.077	2,77	0.002
Physical Act	0.987	0.492	2,77	0.013

*p < 0.05
Note: Wilks’ λ represents the ratio between the error variance (or covariance) and the effect variance (or covariance), F is the statistics, DF – degree of freedom, Partial η2 - effect size, represents the proportion of the variance in the dependent variable that can be explained by the variance in the groups of a categorical independent variable

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