Table 2 Results from univariate and multivariate logistic regression analysis in regard to mortality for LPRx, PRx, ΔLPRx-CPPopt, and ΔPRx-CPPopt

A

Parameter

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

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

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

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