Table 3.
Logistic regression model for SARS-CoV-2 infection in hemodialysis patients.
| Variable | Frequency, % | Univariable
model |
Multivariable
modela |
||||
|---|---|---|---|---|---|---|---|
| OR | 95% CI | P | OR | 95% CI | P | ||
| Province: Hubei | 63.5 | 1.27 | 0.70-2.31 | 0.44 | 1.59 | 0.80-3.16 | 0.18 |
| Sex: female | 43.3 | 0.91 | 0.52-1.61 | 0.76 | 0.92 | 0.52-1.65 | 0.79 |
| Age: >65 yrs | 34.2 | 2.42 | 1.38-4.24 | 0.002 | 2.17 | 1.22-3.87 | 0.009 |
| Respiratory symptom: yes | 1.5 | 2.86 | 0.65-12.5 | 0.16 | 2.46 | 0.50-12.1 | 0.27 |
| CT sign of lung infection: yes | 20.8 | 3.58 | 2.04-6.30 | 9x10-6 | 2.96 | 1.65-5.33 | 0.0003 |
| Lymphocyte count: <1 × 109/L | 42.8 | 1.65 | 0.94-2.90 | 0.08 | 1.47 | 0.82-2.63 | 0.19 |
| CRP: >10 mg/l | 10.1 | 1.70 | 0.78-3.68 | 0.18 | 1.05 | 0.45-2.46 | 0.91 |
| Hemoglobin: <90 g/l | 21.1 | 0.79 | 0.38-1.64 | 0.53 | 0.46 | 0.21-1.03 | 0.058 |
| Serum albumin: <35 g/l | 8.2 | 3.29 | 1.64-6.58 | 0.0008 | 3.36 | 1.53-7.39 | 0.003 |
| Comorbidity: yes | 76.2 | 0.74 | 0.40-1.37 | 0.34 | 0.76 | 0.40-1.45 | 0.40 |
CI, confidence interval; CRP, C-reactive protein; CT, computed tomography; OR, odds ratio; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
a
Multivariable logistic regression model included all variables listed in table as independent variables.