Table 3 Descriptive data, disability, and fatigue scores (as medians) for each class defined in the five-class solution
From: Replication of an empirical approach to delineate the heterogeneity of chronic unexplained fatigue
Descriptive Data | Class-1 | Class-2 | Class-3 | Class-4 | Class-5 |
|---|---|---|---|---|---|
Number in class | 97 | 92 | 77 | 76 | 44 |
Age (years) | 42 | 44 | 48 | 51 | 38 |
CFS illness duration (years) | 4.3 | 2.8 | 5.1 | N/A | N/A |
Disability (SF-36) | Â | Â | Â | Â | Â |
Physical Functioning | 80 | 70 | 85 | 93 | 100 |
Mental Health | 60 | 60 | 84 | 88 | 92 |
Social Functioning | 75 | 56 | 100 | 100 | 100 |
Fatigue (MFI) | Â | Â | Â | Â | Â |
General Fatigue | 16 | 16 | 12 | 8 | 7 |
Physical Fatigue | 12 | 14 | 11 | 7 | 6 |
Mental Fatigue | 13 | 13 | 8 | 7 | 5 |
Reduced Activity | 9 | 11 | 7 | 6 | 6 |
Reduced Motivation | 11 | 12 | 8 | 6 | 6 |