Manual turning + | Continuous rotation + | |||
---|---|---|---|---|
Variable | Manual turning | P&PD | Continuous rotation | P&PD |
Sputum volume (ml) | 13 ± 7 | 15 ± 5 | 23 ± 9* | 25 ± 9* |
Sputum volume, high production (ml) | 18 ± 8 | 27 ± 13† | 26 ± 14 | 30 ± 11‡ |
Change in VO2 during P&PD (%) | NA | [+] 22 ± 8† | NA | [+] 7 ± 4 |
Turns per 6 h | 2.5 ± 0.4 | 3.0 ± 0.2 | 41 ± 8 | 43 ± 10 |