Intraclass correlation coefficient (ICC) calculated for single and multiple (average) raters. The calculated ICC for individual action units (orbital tightening, ears, nose/cheek, whiskers) and for th
All test values are β coefficients and express the mean differences between the reference rater (A) and rater B or rater C. HGS: isometric handgrip strength (kg), GS: gait speed (exp β), CS: 30-s chai
