Table 3.

Univariate and multivariate logistic regression considering the mortality in the study population.

Factors	OR, 95% CI, p
Univariate analysis
Age	1.045 (1.015–1.076) p = 0.003
Sex	1.080 (0.537–2.174) p = 0.829
BMI	1.787 (0.850–1.078) p = 0.473
Comorbidities	1.641 (0.775–3.476) p = 0.477
Days from the symptoms to PCR diagnosis	1.139 (1.029–1.261) p = 0.001
Interstitial pneumonia	3.867 (1.462–10.225) p = 0.006
P/Fa	0.988 (0.981–0.994) p = 0.005
CRPbat baseline	1.087 (1.018–1.150) p < 0.001
Ferritin at baseline	1.032 (0.894–2.226) p = 0.256
NIVc	2.520 (1.167–5.442) p = 0.019
ICUdadmission	2.582 (1.046–6.374) p = 0.002
Long term-care vs hospital acquired	3.212 (1.553–6.643) p < 0.001
Sepsis	10.256 (3.797–27.704) p < 0.001
Antiviral therapy	0.525 (0.187–1.477) p = 0.420
Corticosteroid therapy	0.388 (0.430–2.272) p = 0.977
Multivariate analysis
Age	1.108 (1.028–1.194) p = 0.008
Days from the symptoms to PCR diagnosis	1.717 (0.917–4.552) p = 0.467
Interstitial pneumonia	7.221 (0.839–62.139) p = 0.072
P/Fa	0.912 (0.826–2.224) p = 0.081
CRPb at baseline	1.739 (0.920–11.551) p = 0.225
NIVc	0.847 (0.184–3.900) p = 0.832
ICUdadmission	8.140 (1.015–65.301) p = 0.048
Long term-care vs hospital acquired	9.421 (1.891–46.934) p = 0.006
Sepsis	12.488 (2.585–60.341) p = 0.002

Bold specifies "statistically significant" value.

^aPaO₂/FiO₂.

^bC-reactive protein.

^cNon-invasive ventilation.

^dIntensive-care unit.