Table 5 Distribution of cases identified by the CDC research criteria for unexplained fatigue (CFS and unwell/not fatigued) and well controls across the empirically derived five classes: N (%)
From: Replication of an empirical approach to delineate the heterogeneity of chronic unexplained fatigue
| Â | Class 1 (n = 97) | Class 2 (n = 92) | Class 3 (n = 77) | Class 4 (n = 76) | Class 5 (n = 44) |
|---|---|---|---|---|---|
CFS (n = 92) | 41 (44) | 47(51) | 3(3) | 1(1) | 0 |
unwell not fatigued (n = 201) | 53 (26) | 43(21) | 56(28) | 32(16) | 17(8) |
well (n = 93) | 3 (3) | 2(2) | 18 (19) | 43 (46) | 27 (29) |