Variables at peak exercise
| Patients (n=45) | Controls (n=21) | p Value | |
|---|---|---|---|
| Values are means (SD). | |||
| f, frequency of ventilation; MVV̇, maximal voluntary ventilation; Vt, tidal volume. | |||
| V̇E peak (l/min) | 65.7 (13.5) | 89.9 (22.5) | <0.0001 |
| Vt (l) | 1.8 (0.4) | 2.6 (0.6) | <0.0001 |
| f (breaths/min) | 38.1 (6.8) | 35.2 (6.4) | 0.1 |
| Heart rate (beats/min) | 126 (25) | 162 (20) | <0.0001 |
| %MVV̇ | 78.3 (12.8) | 78.9 (13.3) | 0.86 |