Table 5.

Covariate unadjusted zero inflated Poisson model fit to the observed data. The γ is the log odds of a structural zero in lysine analogue versus aprotinin group. The β is the log relative risk of blood product usage in the lysine analogue versus aprotinin group. RBC= red blood cells, FFP = fresh frozen plasma, CRYO = cryoprecipitate, PLTS = platelets. NE indicates the model is not estimable.

	Unconditional						Conditional
	Poisson			ZI			Poisson			ZI
Outcome	β	se(β)	p-val	γ	se(γ)	p-val	β	se(β)	p-val	γ	se(γ)	p-val
Intra RBC	0.289	0.095	0.002	0.007	0.211	0.974	0.295	0.113	0.009	0.033	0.222	0.882
Intra FFP	0.447	0.154	0.004	-0.656	0.279	0.019	0.452	0.203	0.027	-0.630	0.284	0.027
Intra CRYO	NE			NE			NE			NE
Intra PLTS	0.019	0.077	0.803	-0.479	0.240	0.046	-0.157	0.294	0.594	-0.516	0.251	0.04
Post RBC	0.025	0.077	0.748	-0.458	0.200	0.023	0.295	0.182	0.982	-0.609	0.308	0.048
Post FFP	0.033	0.112	0.770	0.092	0.244	0.707	0.031	0.290	0.914	0.083	0.284	0.769
Post CRYO	-0.443	0.842	0.599	-0.170	0.985	0.863	-0.447	0.863	0.604	-0.180	1.032	0.862
Post PLTS	0.461	0.194	0.018	0.192	0.282	0.496	0.522	0.426	0.221	0.395	0.477	0.409
FVIIa	0.098	0.165	0.554	-1.566	0.505	0.002	0.084	0.231	0.715	-1.567	0.505	0.002