Table 5

Criterion validity of CFS–Pearson correlation coefficients of CFS with other fatigue instruments

CFS physicalCFS affectiveCFS cognitiveEORTC physical functionEORTC cognitive functionEORTC fatigue
CFS0.935*0.663*0.726*−0.675*−0.550*0.745*
CFS physical 0.449*0.621*−0.732*−0.586*0.817*
CFS affective  0.180†−0.328*−0.1530.345*
CFS cognitive   −0.422*−0.500*0.469*
EORTC physical function    0.632*−0.767*
EORTC cognitive function    −0.666*

  • *Correlation is significant at the 1% level.

  • †Correlation is significant at the 5% level.