Table 3.

Multivariate Cox regression analysis for association with mortality in Brazilian COVID-19 hemodialysis patients

	Model 1		Model 2		Model 3		Model 4
	HR (95% CI)	P	HR (95% CI)	P	HR (95% CI)	P	HR (95% CI)	P
Comorbidities
Stroke	1.91 (0.99–3.70)	0.054	1.63 (0.81–3.27)	0.171	1.42 (0.71–2.86)	0.325	1.37 (0.67–2.82)	0.394
Diabetes mellitus	1.97 (1.40–2.78)	< 0.001	1.73 (1.21–2.46)	0.002	1.51 (1.05–2.17)	0.028	1.52 (1.05–2.19)	0.026
Hypertension	1.28 (0.78–2.11)	0.330	1.35 (0.80–2.29)	0.262	1.31 (0.76–2.25)	0.337	1.34 (0.77–2.34)	0.305
COPD	2.19 (1.12–4.25)	0.021	2.22 (1.14–4.33)	0.019	1.70 (0.86–3.33)	0.126	1.59 (0.77–3.26)	0.21
MI	0.98 (0.70–1.36)	0.895	0.96 (0.69–1.34)	0.813	1.02 (0.72–1.45)	0.906	1.02 (0.71–1.46)	0.913
Use of CVC			1.70 (1.19–2.43)	0.003	1.66 (1.15–2.39)	0.007	1.79 (1.22–2.64)	0.003
Age, years					1.03 (1.01–1.04)	< 0.001	1.03 (1.01–1.04)	< 0.001
Patient’s origin
Southeast							Reference
South							0.93 (0.56–1.55)	0.783
Middle west							1.20 (0.63–2.29)	0.581
Northeast							0.88 (0.52–1.47)	0.621
North							2.60 (1.01–6.68)	0.047
Public funding							0.97 (0.61–1.54)	0.889

COPD chronic obstructive pulmonary disease; MI myocardial infarction; CVC central venous catheter