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Table 1 Sleep disorders in CFS and non-fatigued controls

From: Perception versus polysomnographic assessment of sleep in CFS and non-fatigued control subjects: results from a population-based study

Sleep Disorders CFS (35) NF (40) p*
Obstructive Sleep Apnea (borderline) 3 (8%) 3 (7%) /
Periodic Limb Movements 7 (20%) 8 (20%) NS
Insufficient Sleep Syndrome 1 (2%) 0 NS
Delayed Sleep Phase Syndrome 0 1 (2%) NS
MSLT Normal 16 (45%) 16 (40%) /
MSLT Borderline 13 (37%) 15 (37%) NS
MSLT Pathological 6 (17%) 9 (22%) NS
Any Sleep Study Alteration 26 (48%) 28 (52%) NS
  1. * Chi-square test.
  2. NF = Non-fatigued; MSLT = Multiple Sleep Latency Test.
  3. † No cases of Bruxism, Central Sleep Apnea or Upper Airway
  4. Resistance Syndrome were identified.