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Table 4 Multivariable regression of dO2Hb

From: Submaximal exercise testing with near-infrared spectroscopy in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome patients compared to healthy controls: a case–control study

Factor P value 95% Confidence interval
ME/CFS case vs. healthy control 0.27 −5.22:17.88
Tension-time index (Newton-seconds) 0.20 −0.0017:0.00038
dtHb (AU) 0.025 −0.78:−0.59
Borg RPE at rest 0.76 −3.43:2.52
Age (years) 0.049 −0.82:−0.0025
BMI (kg/m2) 0.025 −0.12:1.57
Ethnicity (caucasian vs other) 0.71 −13.62:9.40
Fatigue Severity Scale 0.36 −0.86:0.33
Orthostatic intolerance 0.17 −19.10:3.59
Number of tender points 0.38 −0.72:1.82
Hemoglobin (g/L) 0.87 −0.41:0.48
Ferritin (μg/L) 0.52 −0.028:0.054
  1. BMI Body mass index, RPE rating of perceived exertion and AU arbitrary unit.
  2. Significant P values are indicated in italics.