Measured variables during and post-CET (mean±SD)
| Variables | Groups | HR*(bpm) | VO2 (L/min) | VO2 (mL/kg/min) | VCO2 (L/min) | VE (L/min) | VCO2/VO2 | Gross kcal/min (metabolic cost) | RPE |
|---|---|---|---|---|---|---|---|---|---|
| 50 W CET | Controls | 99.5±9.3 | 11.0±1.4 | 13.3±1.6 | 0.99±0.15 | 25.6±5.7 | 0.89±0.06 | 4.91±0.02 | 9.7 ± 1.6 |
| Post-MIs | 86.0±10.2 | 11.0±2.0 | 12.5±1.8 | 1.00±0.21 | 26.6±6.2 | 0.91±0.07 | 4.93±0.09 | 10.5± 1.3 | |
| 75 W CET | Controls | 109.8±11.5 | 14.0±1.8 | 15.7±1.6 | 1.30±0.20 | 33.6±8.1 | 0.94±0.7 | 4.97±0.08 | 11.1± 1.5 |
| Post-MIs | 92.9±10.8 | 14.0±1.8 | 14.7±2.1† | 1.28±0.19 | 34.2±6.7 | 0.95±0.7 | 4.99±0.09 | 11.8± 0.9 | |
| 100 W CET | Controls | 123.0±14.9 | 17.0±1.7 | 20.1±2.6 | 1.60±0.23 | 42.0±11.1 | 0.97±0.07 | 5.00±0.86 | 12.1± 1.7 |
| Post-MIs | 104.9±12.9 | 17.0±2.2 | 17.7±5.5 | 1.17±0.31 | 44.3±12.6 | 0.99±0.06 | 5.03±0.08 | 12.1± 0.8 | |
| 50 W active recovery | Controls | 108.9±16.0 | 11.0±2.7 | 12.9±3.9 | 1.00±0.20 | 27.5±7.0 | 0.89±0.05 | 4.91±0.68 | 10.2± 2.6 |
| Post-MIs | 93.5±12.0 | 11.0±1.4 | 12.2±3.8 | 1.00±0.18 | 28.8±5.5 | 0.91±0.04 | 4.94±0.06 | 11.1± 2.2 | |
| 10–11th min seated recovery | Controls | 76.4±11.7 | 4.0±0.5 | 3.2±0.6 | 0.21±0.05 | 9.5±3.7 | 0.88±0.04 | 4.90±0.06 | – |
| Post-MIs | 66.8± 8.2 | 3.0± 0.6 | 3.1± 0.6 | 0.24± 0.07 | 10.6±3.6 | 0.99± 0.12‡ | 5.03±0.05‡ | – | |
| 21–22nd min seated recovery | Controls | 73.2±11.7 | 3.0±0.5 | 2.4±0.7 | 0.21±0.1 | 8.2±2.3 | 0.84±0.04 | 4.85±0.05 | – |
| Post-MIs | 63.6±7.4 | 3.3±0.7 | 2.8±0.7 | 0.25±0.1 | 9.6±2.8 | 0.92±0.09‡ | 4.95±0.11‡ | – |
*Statistically significantly different between groups (p <0.01) in HR (bpm) at all data collection points.
†Statistically significantly lower than controls (p <0.01).
‡Statistically significantly higher than controls (p <0.01).
CET, cycle ergometer test; HR, heart rate; MIs, myocardial infarctions; RPE, ratings of perceived exertion; VE, minute ventilation.