Table 3.

APTT and Anti-FXa correlation to markers of thrombin generation.

APTT	All		VA		VV
	R	p	R	p	R	p
Peak Height, (nmol/L)	− 0.54	0.001	− 0.67	0.002	− 0.38	0.068
Endogenous thrombin potential, (nmol/L min)	− 0.44	0.003	− 0.67	0.002	− 0.27	0.203
Time to peak, (s)	0.26	0.086	0.45	0.048	0.13	0.539
Lag time, (s)	0.07	0.671	0.12	0.609	2	0.910

Anti-FXa	All		VA		VV
	R	p	R	p	R	p
Peak Height, (nmol/L)	− 0.42	0.005	− 0.53	0.017	− 0.62	0.001
Endogenous thrombin potential, (nmol/L min)	− 0.55	< 0.001	− 0.64	0.002	− 0.63	0.001
Time to peak, (s)	0.55	< 0.001	0.61	0.004	0.45	0.031
Lag time, (s)	0.41	0.006	0.41	0.069	0.38	0.076

s = seconds.