From: Validation of perceived physical fatigability using the simplified-Chinese version of the Pittsburgh Fatigability Scale
Characteristics
Correlation Coefficient (r) a with the PFS Physical scores
P-Value
Total SPPB score
−0.51
< .001
Gait speed, m/s
−0.55
Chair stand test time, s
0.40
TUG, s
0.28
Barthel Index
−0.56
IADL
−0.48