Table 4.

Results of univariate Cox proportional-hazards regression analyzing the effect of variables on in hospital death.

Risk factors	HR (95%CI)	P value
Age	1.101 (1.026–1.181)	.007
SOFA score	1.279 (1.123–1.456)	<.001
Lowest SPO2	0.910 (0.872–0.950)	<.001
Hypertension	6.083 (1.173–31.540)	.032
Chronic lung disease	13.079 (1.450–117.959)	.022
Chronic kidney disease	24.937 (2.768–224.666)	.004
Chronic liver disease	12.467 (1.270–122.355)	.030
Red blood cell	0.141 (0.045–0.441)	.001
Hemoglobin	0.942 (0.909–0.976)	.001
hs-CRP	1.020 (1.004–1.037)	.015
Total bilirubin	1.022 (1.004–1.041)	.019
Direct bilirubin	1.034 (1.008–1.062)	.010
Aspartate aminotransferase	1.006 (1.002–1.011)	.005
Alkaline phosphatase	1.007 (1.002–1.011)	.002
Urea nitrogen	1.318 (1.172–1.483)	<.001
Creatinine	1.006 (1.003–1.009)	<.001
Cystatin C	2.400 (1.618–3.558)	<.001
Sodium	0.779 (0.626–0.969)	.025
CK	1.007 (1.003–1.011)	<.001
CK-MB	1.040 (1.017–1.064)	.001
cTnI	1.072 (1.022–1.125)	.004
Myoglobin	1.007 (1.004–1.010)	<.001
Highest temperature	0.449 (0.194–1.041)	.062
Fever	0.212 (0.043–1.051)	.058
Dyspnea	6.088 (0.692–53.598)	.104
Lymphocytes	0.128 (0.009–1.904)	.136
Eosinophil	55.502 (0.613–5029.250)	.081
Platelets	0.990 (0.978–1.002)	.103
Indirect bilirubin	1.060 (0.997–1.127)	.064