Research Article

Age-Related Impairment of Quality of Joint Motion in Vibroarthrographic Signal Analysis

Table 3

Correlations between age of particular participants and VAG parameters.

VMS*P1*P2*H*

Left knee0.530.580.60−0.18
Right knee0.520.540.64−0.28

*Results are expressed as correlation coefficients; all factors were statistically significant ().
VMS, variance of the mean squares; P1 and P2, power spectral density bands: 50–250 Hz and 250–450 Hz, respectively; H, entropy.