Table 4.

Multivariate Cox hazard analysis of risk factors for patient

	Hazard ratio	95%, CI	P value
Risk factors for patients with comorbidities on death
Age (per year increase)	1.038	1.008‐1.069	.012
Lactate dehydrogenase (per 1 U/L increase)	1.003	1.002‐1.004	.001
C‐reactive protein (per 1 mg/L increase)	1.001	1.000‐1.002	.021
D‐dimer (per 1 μg/mL increase)	1.020	1.003‐1.038	.020
Lymphocytes (per 109/L increase)	0.229	0.101‐0.520	.001
Prealbumin (per 1 mg/L increase)	0.997	0.992‐1.002	.209