Table 3.

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

Group	0.5 h	2 h	6 h	12 h
C	9.80 ± 1.36	10.31 ± 1.50	10.05 ± 0.87	10.21 ± 1.33
P	11.99 ± 2.08a	12.73 ± 1.72a	14.71 ± 2.08b	15.16 ± 2.73b
T	10.12 ± 1.23c	10.53 ± 2.25c	11.52 ± 2.21d	11.71 ± 1.31d

^aP < 0.05,

^bP < 0.01 vs C group;

^cP < 0.05,

^dP < 0.01 vs P group.