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

Table 6

Univariate F-test for group differences on subclass of the MFI Korean structure.

	No or mild fatigue	Moderate fatigue	Severe fatigue	value
MFI Korean structure
General and physical fatigue	14.37 ± 4.73	20.67 ± 4.30	26.83 ± 3.94	<0.001
Mental fatigue	9.66 ± 2.62	12.17 ± 3.13	14.07 ± 3.78	<0.001
Reduced activities	8.46 ± 3.33	9.12 ± 2.54	9.22 ± 3.23	0.131
Motivation	8.94 ± 3.14	10.87 ± 2.76	11.11 ± 3.64	<0.001
MFI-K total score	41.36 ± 10.52	52.85 ± 9.63	61.23 ± 10.54	<0.001
VAS score	16.85 ± 18.19	33.02 ± 26.53	55.74 ± 32.28	<0.001
FSS score	20.59 ± 9.09	31.26 ± 10.25	43.81 ± 10.25	<0.001