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Table 2 Subgroup analysis of ME/CFS patients with and without a RER ≥ 1.1

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

  RER ≥ 1.1 RER < 1.1 P-value
Number/percentage 53 (54%) 46 (46%)  
Number of steps/day (median/IQR) 4683 (3350–7932) 4779 (3352–7279) 0.30
SF-36 Physical activity 49 (20) 38 (22) 0.03
%peak VO2 78 (18) 71 (18) 0.09