Which model is superior in predicting ICU survival: artificial intelligence versus conventional approaches

Table 3 Univariate regression analysis for variable selection

Variables	Odds ratio	95% CI	p-value
Age	1.02	1.01–1.03	< 0.001
GCS	0.79	0.76–0.82	< 0.001
ALB	0.44	0.34–0.58	< 0.001
HCO3	0.97	0.95–0.99	0.03
PH	0.90	0.74–1.1	0.33
Mechanical ventilation	0.82	0.61–1.09	0.18
PCO2	0.98	0.97–0.99	0.005
PAO2	0.999	0.996–1.002	0.56
FiO2	1.001	0.99–1.006	0.70
RR	0.999	0.980–1.019	0.94
TEMP	1.16	0.86–1.57	0.32
HR	0.991	0.984–0.997	0.04
SBP	0.999	0.995–1.004	0.86
DBP	0.999	0.993–1.006	0.88
MAP	0.999	0.992–1.007	0.83
BS	1.004	1.003–1.006	< 0.001
BUN	1.012	1.007–1.017	< 0.001
Cr	1.16	1.063–1.266	0.001
Na	0.996	0.978–1.015	0.69
K	1.27	1.078–1.497	0.004
Hct	0.949	0.931–0.968	< 0.001
PLT	0.996	0.994–0.997	< 0.001
BIL	1.687	1.228–2.316	0.001
WBC	1.003	0.977–1.029	0.84
Urine Output	0.999	0.996–0.999	0.002
Chronic diseases/ Comorbidities	0.999	0.991–1.002	0.58

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