组别 | CO (L/min) | ||||
T0 | T1 | T2 | T3 | T4 | |
P组(n = 40) | 7.1 ± 0.2 | 6.4 ± 0.5b | 5.5 ± 0.5b | 5.1 ± 0.5b | 4.9 ± 0.9b |
R组(n = 40) | 7.0 ± 0.3 | 6.9 ± 0.3a | 6.7 ± 0.3a | 6.7 ± 0.2a | 6.6 ± 0.2a |