Table 2 Expected and observed correlations of the Dutch PFS physical and mental subscales with other constructs
From: Translation and validation of the Dutch Pittsburgh Fatigability Scale for older adults
Spearman’s rank correlation | ||||
|---|---|---|---|---|
Instrument (scale range) | PFS physical score (0–50) | PFS mental score (0–50) | ||
Expected | Observed | Expected | Observed | |
iADL (0–8) | 0.3–0.5 | 0.4 | 0.3–0.5 | 0.3 |
Frailty Phenotype (0–5) | 0.3–0.5 | 0.6 | 0.3–0.5 | 0.4 |
SBT (0–28) | ≤ 0.3 | 0.1 | ≤ 0.3 | 0.1 |