Table 2.
ME/CFS Group (n = 20) |
Healthy Group (n = 20) |
Between-Group Comparison (p-Value) |
|
---|---|---|---|
HR, bpm Theoretical target HR peak * Actual achieved HR peak Mean HR |
134 (7) 140 (9) 114 (10) |
140 (12) 142 (10) 119 (10) |
0.149 0.453 0.092 |
Cycling time, min | 3.86 (1.00) | 4.15 (1.15) | 0.401 |
Peak Workload | 109 (25) | 118 (25) | 0.327 |
VO2 peak, mL/min/kg | 16.98 (4.25) | 19.96 (6.80) | 0.112 |
VE peak, L/min | 31.81 (9.67) | 31.61 (11.30) | 0.758 |
RER peak | 0.76 (0.89) | 72 (0.08) | 0.101 |
RPE | 16 (0.3) | 12 (2) | <0.001 |
Abbreviations: HR: heart rate, VO2 peak: peak oxygen uptake, VE peak: peak ventilation, RER peak: respiratory exchange ratio, RPE: rate of perceived exertion, * corresponds with 75% of the age-predicted target HR.