Table V.

Effects of the coadministration of Huatuo Zaizao pills (HT) and aspirin on prothrombin time (PT).

	PT (sec)
Groups	0 h	2 h	4 h
Control	7.40±0.50	7.12±1.00	7.18±0.44
HT	7.70±1.23	7.26±1.33	7.82±1.43
Aspirin	7.46±1.35	7.28±1.37	7.72±1.45
HT + aspirin	7.68±1.05	8.06±1.77	9.66±1.55a,b

Data are expressed as the means ± SEM (n=5). One-way ANOVA was used to analyze the significant differences among the different groups. The comparison between two groups was performed with the Student’s unpaired t-test. Compared to control,

^aP<0.05. Compared to prior to treatment,

^bP<0.05.