Table 4.

Serum Cr level in groups C, P and T (mean ± SD, mmol/L)

Group	0.5 h	2 h	6 h	12 h
C	21.12 ± 1.67	21.06 ± 1.58	21.50 ± 1.78	21.62 ± 1.75
P	24.97 ± 3.40a	25.36 ± 3.11b	30.40 ± 1.93b	30.60 ± 2.04b
T	22.13 ± 1.57c	23.5 ± 2.61ac	23.58 ± 2.61ad	24.73 ± 1.01bd

^aP < 0.05,

^bP < 0.01 vs C group;

^cP < 0.05,

^dP < 0.01 vs P group.