TABLE 2

Cox-Regression analysis of factors associated with prolonged SARS-Cov-2 positivity

Univariate analysisMultivariate analysis
SignificanceHazard Ratio95% confidence intervalSignificanceHazard ratio95% confidence interval
LowerHigherLowerHigher
age0.3351.0130.9871.0410.8310.9950.9541.03
sex (m=1, f=2)0.4151.3950.6273.1020.0772.5310.9057.073
Disease severity (severe=1, non-severe=0)0.0751.8940.9393.8240.0253.2601.1629.147
Oxygen insufflation necessary (yes=1, no=0)0.5731.3210.5023.4730.0573.9600.96116.319
Hydroxychloroquin therapy (yes=1, no=0)0.0820.4900.2191.0950.2630.5970.2421.474
Lopinavir/Ritonavir treatment (yes=1, no=0)0.7961.1490.4013.2960.3841.7130.5095.765
Immunsuppressive treatment (Tocilizumab/Prednisolon/others; yes=1, no=0)0.2331.7230.7044.2150.1102.7480.7949.511
Diabetes Mellitus (yes=1, no=0)0.9530.9750.4222.2540.7041.2430.4043.825
Arterial hypertension (yes=1, no=0)0.6211.1930.5932.4010.5720.7650.3021.939
Coronary artery disease (yes=1, no=0)0.7871.1410.4402.9590.9680.9780.3262.930
Charlson Score (0–7)0.4251.0820.8911.3140.8501.0360.7191.493