Reliability and Validity of the Korean Version of the Multidimensional Fatigue Inventory (MFI-20): A Multicenter, Cross-Sectional Study

Table 4

Correlation between MFI-K and VAS score and FSS score in English factor structure.

Dimensions: English structure	VAS score	FSS score
General fatigue	0.533	0.725
Physical fatigue	0.378	0.578
Mental fatigue	0.241	0.403
Reduced activity	0.084	0.162
Reduced motivation	0.276	0.391
MFI-K total score	0.419	0.635

, ; correlation coefficients were obtained by Spearman correlation analysis.