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Table 3 Comparisons of mean scores (±  SD) by severity group

From: Comparison of assessment scores for fatigue between multidimensional fatigue inventory (MFI-K) and modified chalder fatigue scale (mKCFQ)

Group Items Mild (n  = 20) Moderate (n  = 42) Severe (n  = 8)
MFI-K mKCFQ r (%) MFI-K mKCFQ r (%) MFI-K mKCFQ r (%)
Total physical fatigue (score 60) General 7.3 ± 2.5 5.0 ± 2.2 32 10.9 ± 2.8 9.7 ± 3.6 66*** 15.4 ± 2.3 14.7 ± 2.6 91**
Physical 8.0 ± 2.1 5.6 ± 2.7 41 9.2 ± 2.9 8.0 ± 3.0 72*** 11.9 ± 3.8 12.3 ± 1.9 25
Activity 9.4 ± 2.5 3.1 ± 2.5 65** 8.1 ± 2.5 7.4 ± 3.1 44** 9.5 ± 2.1 13.3 ± 2.4 19
Total 24.6 ± 5.8 14.2 ± 6.1 79*** 28.1 ± 6.8 24.6 ± 8.4 69*** 36.8 ± 6.5 39.9 ± 5.5 52
Total mental fatigue (score 40) Mental 7.4 ± 2.5 4.6 ± 2.8 57** 9.0 ± 2.4 7.0 ± 3.4 43** 11.1 ± 2.0 10.4 ± 2.5 21
Motivation 8.5 ± 2.7 3.9 ± 2.9 39 8.7 ± 2.5 5.7 ± 3.3 32* 11.3 ± 1.4 9.2 ± 4.1 40
Total 15.8 ± 4.7 8.5 ± 5.6 57** 17.6 ± 4.4 12.7 ± 6.4 42** 22.4 ± 3.0 19.6 ± 6.3 53
Total (score 100) 40.4 ± 9.7 22.8 ± 10.7 79*** 45.8 ± 10.4 37.9 ± 13.2 65*** 59.1 ± 9.3 60.1 ± 8.5 58
  1. The r score and p value are rounded to the 2nd decimal
  2. *p  < 0.05, **p  < 0.01, ***p  < 0.001