Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Crit Care Med. Mar 9, 2024; 13(1): 90617
Published online Mar 9, 2024. doi: 10.5492/wjccm.v13.i1.90617
Table 1 Characteristics of patients with severe head injury

Survival (n = 49)
Non-survival (n = 22)
P value1
Age (years), mean ± SD40.5117.450.7314.60.013
Days in MV, mean ± SD28.7614.614.3616.80.001
Fasted days, mean ± SD13.788.77.686.40.002
Days in hospital, mean ± SD28.7614.614.3616.80.001
P value2
Sex, n (%)0.161
Male, n (%)4489.8%1777.3%
Female, n (%)510.2%522.7%
Injury type, n (%)0.607
Closed 3571.4%1777.3%
Open 1428.6%522.7%
Injury cause, n (%)0.408
Fall1326.5%1045.5%
Transit accident1836.7%418.2%
Assault1326.5%627.3%
Gunshot48.2%14.5%
Other12.0%14.5%
Associated injuries, n (%)0.658
None3673.5%1986.4%
Thoracic48.2%14.5%
Arms12.0%00.0%
Legs510.2%29.1%
Spine36.1%00.0%
Craniotomy procedure, n (%)0.822
No3477.3%1568.2%
Yes1431.8%731.8%
Body mass index (kg/cm²), n (%)0.761
Underweight48.2%213.6%
Eutrophic2551.0%054.5%
Overweight1428.6%218.2%
Grade I Obese612.2%213.6%
Comorbidities, n (%)
COPD0029.1%0.032
Asma10.0200.0%0.513
T2DM10.0229.1%0.172
SAH48.2%29.1%0.897
EVA10.0214.5%0.555
AD24.1%14.5%0.928
Table 2 Blood pressure, heart rate and different shock indexes (mean ± SD)

Survival (n = 49)
Non-survival (n = 22)
P value
SBP-24 h (mmHg)135.5936.5138.9540.10.739
DBP-24 h (mmHg)81.2723.585.3825.20.526
HR-24 h (bpm)88.2225.488.6829.00.949
SBP-48 h (mmHg)131.4727.6127.2025.00.536
DBP-48 h (mmHg)67.7712.172.3315.00.257
HR-48 h (bpm)82.6118.593.9519.90.036
SI-adm0.700.30.690.30.901
SI-48 h0.650.20.790.30.03
rSI-adm1.700.81.781.00.742
rSI-48 h1.660.51.440.50.106
rSIG-adm10.455.911.027.70.758
rSIG-48 h10.264.89.294.80.452
AgeSIG-adm28.0216.834.4017.10.152
AgeSIG-48 h26.3214.237.2717.80.016
Table 3 Logistic regression and receiver operator curves analysis parameters

Sig.
Exp(B)
95%CI for EXP(B)
Odds ratio (%)
AUC
P value
Inferior
Superior
SI-adm0.8950.8850.1445.444-11.50.4870.864
SI-48 h0.1297.5920.554104.036659.20.6060.176
rSI-adm0.7271.1070.6261.95610.70.5170.832
rSI-48 h0.1940.4360.1251.527-56.40.3950.180
rSIG-adm0.6521.0180.9421.1011.80.5370.637
rSIG-48 h0.6410.9730.8671.092-2.70.4730.727
AgeSIG-adm0.1531.0220.9921.0522.20.6390.071
AgeSIG-48 h0.0151.0441.0081.0824.40.7270.003