Table 3.

Multivariable linear regression results following backward selection

Variable	Adjusted Regression Coefficient	P-Value	95% Confidence Interval
Gender
(M: 1,F: 0)	0.026	< 0.001	[0.019,0.034]
Age	0.020	< 0.001	[0.016,0.023]
SpO2 Mean	−0.013	< 0.001	[− 0.016,-0.009]
Bicarbonate Level Minimum	−0.005	0.005	[−0.008,-0.001]
Creatinine Level Minimum	0.364	< 0.001	[0.326,0.403]
Creatinine Level Maximum	0.137	< 0.001	[0.130,0.144]
Hemoglobin Level Minimum	−0.024	< 0.001	[− 0.027,-0.021]
Platelet Count Minimum	−0.018	< 0.001	[− 0.021,-0.015]
Potassium Level Maximum	0.021	< 0.001	[0.018,0.025]
Partial Thromboplastin Time Minimum	0.016	< 0.001	[0.013,0.019]
International Normalized Ratio Minimum	−0.025	< 0.001	[− 0.035,-0.015]
International Normalized Ratio Maximum	0.016	< 0.001	[0.011,0.020]
Blood Urea Nitrogen Level Maximum	−0.014	< 0.001	[−0.017,-0.011]
Calcium Level Minimum	0.014	< 0.001	[0.011,0.017]
Mechanical Ventilation	0.018	< 0.001	[0.015,0.021]
Estimated Glomerular Filtration Rate	0.009	< 0.001	[0.004,0.013]