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Table 4 Univariate logistic regression analysis of clinical and laboratory features against severe disease

From: Clinical characteristics and outcomes of maintenance hemodialysis patients with COVID-19 during the Omicron wave of the pandemic in Beijing: a single center retrospective study

Variables

non-severe COVID-19

N = 84

Severe COVID-19

N = 9

P

ORa(95%CI)

Clinical features

    

Age (yrs, median and IQR)

59(47,67.5)

74(68,78)

0.0009

1.14(1.05,1.25)

Male sex(No, %)

50(59.5)

7(77.8)

0.5

2.38(0.45,12.16)

Dialysis vintage (mean, median and IQR)

65(43.5,91)

61(43.5,124)

0.9

1.01(0.99,1.02)

Vaccinations (No,%)

14(16.7)

2(22.2)

1

1.43(0.27,7.61)

Diabetes mellitus(No,%)

29(34.5)

5(55.6)

0.4

2.37(0.59,9.51)

Obesityb (No,%)

17(20.2)

1(11.1)

0.8

0.49(0.06,4.21)

Laboratory features

    

Albumin (g/L, mean ± SD)

39.4 ± 3.2

39.2 ± 3.7

0.9

0.99(0.80,1.22)

CRP (mg/l, median and IQR)

2.9(1.6,9.2)

2.0(1.3,6.5)

0.3

0.95(0.84,1.08)

Hemoglobin(g/L, median and IQR)

113(108,120)

111(106,117)

0.7

0.99(0.92,1.06)

Sodium (mmol/L, mean ± SD)

136.6 ± 3.0

135.7 ± 2.2

0.4

0.90(0.71,1.14)

  1. aOR: odds ratio;
  2. bobesity is defined as body mass index ≥ 28 kg/m2