Table 5 Univariate and multivariate Cox regression analysis results of overweight patients.

Characteristics	Uni-HR	Uni-CI	Uni-P	Multi-HR	Multi-CI	Multi-P
Age	1.036	1.002–1.072	0.039
Gender	1.023	0.534–1.962	0.944
Race	0.980	0.753–1.276	0.880
SBP(mmHg)	0.988	0.963–1.014	0.357
DBP(mmHg)	0.991	0.957–1.027	0.622
HR(bpm)	1.033	1.009–1.057	0.006	1.037	1.004–1.07	0.027
RR(bpm)	1.112	1.003–1.232	0.043
Temperature(℃)	5.060	2.054–13.793	0.001
SaO₂(%)	0.967	0.955–1.004	0.003
pH	-	-	-
Hemoglobin(g/dL)	0.942	0.797–1.117	0.488
Platelet(× 10⁹/L)	0.998	0.994–1.002	0.293
WBC(× 10⁹/L)	1.001	0.965–1.037	0.966
Bicarbonate(mmol/L)	0.866	0.802–0.94	< 0.001
BUN(mg/dL)	1.014	1.004–1.024	0.005
Calcium(mg/dL)	0.692	0.46–1.091	0.104
Glucose(mg/dL)	1.006	1.002–1.01	0.005
Serum sodium(mmol/L)	1.066	1–1.135	0.049
Serum potassium(mmol/L)	1.353	0.939–1.925	0.100
Lymphocytes(× 10⁹/L)	0.562	0.379–1.088	0.080
Monocytes(× 10⁹/L)	0.924	0.503–1.571	0.806
Neutrophils(× 10⁹/L)	0.992	0.926–1.047	0.823
PT(s)	1.016	0.994–1.038	0.137
aPTT(s)	1.011	0.998–1.022	0.066	1.013	0.999–1.028	0.077
Cerebrovascular disease:	1.130	0.494–2.585	0.772
Dementia:	3.080	1.349–7.032	0.008
Diabetes:	1.574	0.823–3.012	0.171
Mild liver disease:	1.594	0.563–4.516	0.380
Severe liver disease:	4.137	1.45–11.806	0.008
Myocardial infarct:	1.759	0.921–3.358	0.087
Peripheral vascular disease:	2.125	1.072–4.212	0.031
Renal disease:	1.131	0.593–2.156	0.709
Rheumatic disease:	0.785	0.189–3.271	0.740
SOFA	1.258	1.163–1.362	< 0.001	1.180	1.04–1.339	0.010
GCS	0.452	0.333–0.613	< 0.001	0.655	0.429–1	0.050

SaO₂(%)—arterial oxygen saturation (percent); pH—potential of hydrogen; HR—heart rate; SBP—systolic blood pressure; DBP—diastolic blood pressure; WBC—white blood cell count; HR—heart rate; RR—respiratory rate; BUN—blood urea nitrogen; PT—prothrombin time; aPTT—activated partial thromboplastin time; SOFA—sequential organ failure assessment; GCS—Glasgow Coma Scale.
Gender: 1—Male, 2—Female; Race: 1—White, 2—Black, 3—Asian, 4-Other; Comorbidities: 1—YES, 2—NO.

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