Table 3.

Risk factors associated with in-hospital death.

	Univariable HR (95% CI)	p	Adjusted HRa (95% CI)	p
Age, years	0.97 (0.90–1.05)	0.5	0.93 (0.83–1.04)	0.2
Hemodialysis vintage, months	0.99 (0.98–1.01)	0.8	1.00 (0.97–1.02)	0.7
Obesity, yes	0.56 (0.11–2.82)	0.4	1.38 (0.25–7.58)	0.7
Current smoker, yes	0.13 (0.02–0.84)	0.03	4.48 (0.54–36.92)	0.1
Diabetes mellitus, yes	3.55 (0.41–30.41)	0.2	0.63 (0.06–6.76)	0.7
Coronary heart disease, yes	0.33 (0.03–2.97)	0.3	0.98 (0.05–17.54)	0.9
Charlson comorbidity index	1.08 (0.76–1.53)	0.6	0.84 (0.51–1.40)	0.5
Basal oxygen saturation, %	0.82 (0.71–0.94)	<0.01	0.79 (0.66–0.94)	<0.01
Hemoglobin, g/L	0.51 (0.32–0.83)	<0.01	0.49 (0.26–0.94)	0.03
Lymphocytes, 109/L	0.46 (0.11–1.87)	0.2	0.49 (0.17–1.43)	0.1
C–reactive protein, mg/L	1.00 (0.99–1.01)	0.5	1.01 (0.99–1.02)	0.1
Serum albumin, g/dL	0.21 (0.05–0.82)	0.02	0.13 (0.02–0.82)	0.03
LDH, U/L	1.00 (0.99–1.00)	0.8	1.00 (0.99–1.00)	0.4
Lopinavir–ritonavir, yes	0.13 (0.02–0.76)	0.02	2.79 (0.41–18.87)	0.2
Tocilizumab, yes	0.11 (0.02–0.56)	<0.01	4.22 (0.73–24.42)	0.1
Hydroxychloroquine, yes	1.15 (0.18–7.11)	0.8	26.7 (1.15–61.9)	0.04
Glucocorticoids, yes	0.07 (0.00–0.63)	0.01	4.29 (0.29–62.67)	0.2

HR: hazard ratio; LDH: lactate dehydrogenase.

^aAge and basal oxygen saturation.