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. 2021 Aug 18;17(2):431–438. doi: 10.1007/s11739-021-02824-7

Table 3.

Risk factors for bacterial infections in COVID-19 hospitalized patients

Univariate analysis* Multivariate analysis**
OR (95% CI) p value OR (95% CI) p value
Baseline conditions
 Age 1.02 (1.01–1.03) 0.007 1.02 (1.01–1.04) 0.009
 DM 1.88 (1.26–2.81) 0.002 1.60 (0.99–2.49) 0.059
 Neurological disease 1.68 (1.08–2.60) 0.022 1.69 (1.01–2.82) 0.046
 Kidney disease 2.23 (1.30–3.82) 0.003 1.221 (0.64–2.29) 0.555
 Active neoplasm 2.66 (1.52–4.65) 0.001 1.047 (0.50–2.20) 0.903
 Immunosuppression 4.26 (2.82–6.45)  < 0.001 4.41 (2.76–7.06)  < 0.001
Outcome
 ARDS 3.17 (1.77–5.68)  < 0.001 1.34 (0.70–2.55) 0.375
 ICU admission 16.69 (10.80–25.81)  < 0.001 21.36 (13.21–34.55)  < 0.001
Treatment
 Steroids 2.46 (1.63–3.70)  < 0.001 0.94 (0.55–1.61) 0.828
 Tocilizumab 3.29 (2.27–4.76)  < 0.001 0.66 (0.12–3.75) 0.636
 Steroids* + TocilizumabT 2.43 (1.66–3.58)  < 0.001 1.31 (0.80–2.16) 0.282

Ods ratio, confidence intervals and p-values marked with bold indicate statistically significance

OR Odds ratio, CI Confidence interval, DM Diabetes mellitus, ARDS Acute respiratory distress syndrome, ICU Intensive care Unit

T: Product term between steroids and tocilizumab treatment