Table 2

Univariate and multivariate logistic regression analyses in the development group

Variables	Univariate analysis			Multivariate analysis
Variables	OR	95% CI	P value	OR	95% CI	P value
Age	1.020	1.000 to 1.040	0.052	1.032	1.008 to 1.056	0.010
Heart rate	1.009	0.999 to 1.018	0.081	1.055	1.010 to 1.100	0.040
Respiratory rate	1.052	1.017 to 1.088	0.003	1.042	1.003 to 1.083	0.034
Altered consciousness	3.721	2.385 to 5.806	<0.001	3.606	2.296 to 5.664	<0.001
SBP, mm Hg	0.999	0.991 to 1.007	0.807	1.003	0.989 to 1.016	0.693
DBP, mm Hg	0.994	0.982 to 1.006	0.307	0.987	0.969 to 1.006	0.175
SPO₂, %	0.979	0.955 to 1.004	0.099	0.991	0.963 to 1.020	0.530
Temperature, ℃	0.902	0.783 to 1.039	0.151	0.898	0.771 to 1.047	0.169

DBP, diastolic blood pressure; SBP, systolic blood pressure; SPO₂, oxygen saturation.