Table 2.

Comparison of W/D and PI.

Time (h)	PI			W/D
	A	B	C	A	B	C
0	1.35 ± 0.41	1.35 ± 0.41	1.35 ± 0.41	4.267 ± 0.021	4.267 ± 0.021	4.267 ± 0.021
2	1.38 ± 0.54	2.15 ± 0.63*	1.56 ± 0.63#	4.253 ± 0.018	4.373 ± 0.025*	4.318 ± 0.022#
4	1.43 ± 0.36	2.89 ± 0.78*	1.78 ± 0.45#	4.298 ± 0.012	4.528 ± 0.030*	4.450 ± 0.020#
6	1.49 ± 0.25	3.95 ± 0.66*	1.95 ± 0.78#	4.405 ± 0.010	4.563 ± 0.215*	4.493 ± 0.025#
8	1.56 ± 0.32	4.87 ± 1.18*	2.12 ± 0.56#	4.490 ± 0.014	4.923 ± 0.224*	4.601 ± 0.018#

Note. *Compared with Group A, P < 0.05; ^#compared with Group B, P < 0.05.