Table 4

The Epworth scale by sex and fatigue group

Mean (SD)

Median (Range)

All subjects

10.2 (5.3)

11.0 (0–23)

Male

9.6 (5.5)

9.0 (0–22)

Female

10.4 (5.3)

11.0 (0–23)

Fatigue groups* NF

6.0 (4.3)

5.0 (1–17)

NF|F

8.4 (4.9)

7.0 (1–18)

ISF

11.1 (5.0)

11.0 (1–23)

M/P

11.3 (5.3)

12.0 (0–22)

CFS-R

9.8 (6.4)

8.5 (1–22)

CFS

9.4 (4.5)

9.5 (2–18)

* P < 0.0001 NF – never fatigued; NF|F – baseline fatigue currently not fatigued; ISF – insufficient symptoms or fatigue for CFS; M/P – medical or psychiatric exclusion; CFS-R – baseline CFS currently remission; CFS – currently CFS

Unger et al. BMC Neurology 2004 4:6   doi:10.1186/1471-2377-4-6