Table 2.

Comparison of Cdyn (ml/cmH₂O) in the three groups at each time point (n = 36,  ± s)

Time	Group C	Group P	Group T	F	P value
T2	32.58 ± 4.77	33.47 ± 5.73	34.81 ± 8.40	1.086	0.341
T3	20.56 ± 2.65	22.50 ± 4.08	25.87 ± 4.20a	18,874	< 0.001
T4	27.94 ± 3.97 cd	28.7 ± 4.90 cd	31.50 ± 4.54bcd	6.196	0.003

Note: Compared with groups C and P, at T3 and T4, ^aP < 0.05, ^bP < 0.05. In group T: Compared with T2, ^cP > 0.05; Compared with T3, ^dP < 0.05. In Group P: Compared with T2, ^cP < 0.05; Compared with T3, ^dP < 0.05. In Group C: Compared with T2, T3, ^cP < 0.05, ^dP < 0.05