Table 2.

Results from univariate and multivariate logistic regression analysis in regard to mortality for LPRx, PRx, ΔLPRx-CPPopt, and ΔPRx-CPPopt

A	Parameter	Index: LPRx		Index: PRx
		Coefficient	p value	Coefficient	p value
Univariate	Index	3.484	< 0.001	4.244	< 0.001
Multivariate	Age	0.039	0.001	0.036	0.003
	GCS-Motor	− 0.191	0.068	− 0.202	0.059
	Pupillary response	0.304	0.197	0.333	0.173
	Index	2.634	0.011	3.868	< 0.001
B	Parameter	ΔCPPopt: LPRx		ΔCPPopt: PRx
		Coefficient	p value	Coefficient	p value
Univariate	ΔCPPopt	− 0.122	0.003	− 0.148	< 0.001
Multivariate	Age	0.049	< 0.001	0.050	< 0.001
	GCS-Motor	− 0.196	0.059	− 0.227	0.034
	Pupillary response	0.308	0.198	0.257	0.296
	ΔCPPopt	− 0.139	0.003	− 0.159	< 0.001
C	Parameter	Index: LPRx		Index: PRx
		Coefficient	p value	Coefficient	p value
Univariate	Index	3.484	< 0.001	4.244	< 0.001
Multivariate	Age	0.043	< 0.001	0.039	0.002
	GCS-Motor	− 0.164	0.130	− 0.169	0.127
	Pupillary response	0.457	0.067	0.474	0.068
	ICP	0.071	0.005	0.061	0.019
	CPP	0.034	0.128	0.035	0.128
	Index	1.628	0.152	3.140	0.007
D	Parameter	ΔCPPopt: LPRx		ΔCPPopt: PRx
		Coefficient	p value	Coefficient	p value
Univariate	ΔCPPopt	− 0.122	0.003	− 0.148	< 0.001
Multivariate	Age	0.050	< 0.001	0.051	< 0.001
	GCS-Motor	− 0.166	0.124	− 0.190	0.086
	Pupillary response	0.466	0.067	0.423	0.106
	ICP	0.067	0.009	0.065	0.011
	CPP	0.042	0.066	0.046	0.048
	Index	− 0.108	0.065	− 0.146	0.002

ΔCPPopt difference between cerebral perfusion pressure and calculated optimal cerebral perfusion pressure, GCS-Motor Glasgow Coma Scale motor component, LPRx long pressure reactivity index, PRx pressure reactivity index