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Table 3 Subgroup analysis of ME/CFS patients with and without fibromyalgia

From: Physical activity measures in patients with myalgic encephalomyelitis/chronic fatigue syndrome: correlations between peak oxygen consumption, the physical functioning scale of the SF-36 questionnaire, and the number of steps from an activity meter

 

Fibromyalgia +

Fibromyalgia −

P-value

Number/percentage

58 (58%)

41 (41%)

 

Number of steps/day (median/IQR)

4527 (3264–6235)

6401 (3531–8123)

0.14

SF-36 Physical activity

42 (19)

52 (22)

0.02

%peak VO2

74 (19)

80 (16)

0.08

  1. All values are mean (SD) unless otherwise noted. For abbreviations see Table 1