Table 2.

Effect of H2S on coagulation activity (mean ± SD)

	NDC	UDC	TDA
Prothrombin time (s)	12.2±0.6	10.2±0.3**	10.9±0.3##
Thrombin time (s)	28.3±1.2	20.5±2.8**	26.0±1.5##
Fibrinogen (mg/ml)	1.73±0.1	2.91±0.2**	1.79±0.1##

^**Significantly different: P<0.01 vs. NDC;

^##Significantly different: P<0.01 vs. UDC;

n=10 per group.