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Table 4 PCS and MCS mean scores for ME/CFS cases and selected SF-36 disease-specific norms

From: The functional status and well being of people with myalgic encephalomyelitis/chronic fatigue syndrome and their carers

Disease Physical
Component
Summary
Mental
Component
Summary
  mean SDa mean SDa
ME/CFS (n = 170) 26.8 8.4 34.1 11.3
Back pain/sciatica (n = 2648) 45.7 10.7 47.6 11.1
Cancer (except skin) (n = 253) 40.9 9.9 47.6 10.6
Depression (n = 942) 45.4 11.6 36.3 11.9
Diabetes (n = 1011) 41.1 11.2 47.8 11.5
Heart disease (n = 691) 38.9 10.0 48.3 10.7
Limited use of arm(s)/leg(s) (n = 605) 39.0 11.5 46.7 12.2
Lung disease (n = 328) 38.3 10.8 45.6 11.5
Osteoarthritis (n = 1013) 38.6 10.1 48.0 10.9
Rheumatoid arthritis (n = 514) 40.0 10.6 47.8 11.3
Vision impairment (n = 628) 44.0 11.6 45.8 11.9
  1. a SD = Standard Deviation