Table 2: Correlation between health-related quality of life with handgrip strength and gait speed.

Health-related quality of life (EQ-5D index score)
Study outcome Unadjusted Adjusted*
r (95% CI) r2 p r (95% CI) r2 p
Handgrip strength 0.355 (0.179-0.503) 0.126 0.001 0.304 (0.115-0.472) 0.092 0.004
Gait speed 0.566 (0.405-0.711) 0.320 0.000 0.504 (0.314-0.653) 0.254 0.000

*Adjusted for chronological age and biological age [FI 40 items (frailty index) score].