Table 4. Comparisons of CPET between the improved and non-improved groups before and after the procedure.
| Improved (n=21) | Non-improved (n=9) | p | |
|---|---|---|---|
| Pre | |||
| VO2max (mL·kg-1·min-1) | 27.7±4.2 | 25.4±4.9 | 0.1876 |
| Work load (METs) | 7.87±1.1 | 7.24±1.3 | 0.1841 |
| APEC (%) | 76 (60–100) | 52 (48–71) | 0.0067 |
| LT (mL·kg-1·min-1) | 19.7 (17.4–20.5) | 20.3 (16.4–26.8) | 0.4972 |
| VE/VCO2 | 26.3 (25.3–31) | 29.3 (27.9–31.6) | 0.0573 |
| Post | |||
| VO2max (mL·kg-1·min-1) | 34.2±5.5 | 24.6±4.9 | 0.0001 |
| Work load (METs) | 9.43±1.4 | 6.9±1.4 | 0.0001 |
| APEC (%) | 89 (81–100) | 52 (43–75) | 0.0003 |
| LT (mL·kg-1·min-1) | 23.6±3.2 | 16.7±3.3 | <0.0001 |
| VE/VCO2 | 26.8 (24.8–35.2) | 27.5 (27.1–27.6) | 0.7004 |
Values are presented as mean±standard deviation. CPET: cardiopulmonary exercise capacity test, VO2max: maximal oxygen consumption, METs: metabolic equivalents, APEC: age-predicted exercise capacity, LT: lactate threshold, VE/VCO2: minute ventilation/carbon dioxide production