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Table 2 Convergent Validity of the PFS Physical Scores -Simplified-Chinese version

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 < .001
Chair stand test time, s 0.40 < .001
TUG, s 0.28 < .001
Barthel Index −0.56 < .001
IADL −0.48 < .001
  1. SPPB Short Physical Performance Battery, TUG Timed Up and Go Test, ADL Activity of Daily Living, IADL Instrumental Activity of Daily Living
  2. a Spearman’s rank-order correlations