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Table 4 The Epworth scale by sex and fatigue group

From: Sleep assessment in a population-based study of chronic fatigue syndrome

  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)
  1. * 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