Severe and critical COVID-19 in a tertiary center in Colombia, a retrospective cross-sectional study

BMC Infectious Diseases

Table 4 Logistic regression, risk factors for (a) invasive mechanical ventilation*, (b) in-hospital death**

Variables	OR	p value	95% CI
(a)
News2 score: ≥ 7 points	3.012	0.032	1.1–8.2
CURB 65 score, 3–5 points	8.264	0.002	2.1–32.1
PaO2/FiO2 < 70	6.383	0.001	2.4–16.6
Highest CRP levels recorded, > 27 mg/dL	3.178	0.022	1.1–8.5
Lymphocytes in CBC on admission, < 650 per mm3	2.775	0.044	1.02–7.5
PSI/PORT score, 91–130 points	3.053	0.019	1.1–7.5
(b)
Troponin I level above the normal range	5.300	0.001	1.9–14
Acute kidney injury	10.073	0.001	3.7–27
COPD	4.789	0.014	1.3–16
MuLBSTA score > 10 points	4.359	0.004	1.6–11
LDH levels > 500 IU/L	5.048	0.001	1.9–13

^aIn the logistic regression analysis, Omnibus tests of model coefficients had a p value of 0.001; Nagelkerke's R was 52.1% (0.521); the Hosmer and Lemeshow test showed a p value of p = 0.493
^bIn the logistic regression analysis, Omnibus tests of model coefficients had a p value of 0.001; Nagelkerke's R was 56.7% (0.567); the Hosmer and Lemeshow test showed a p value of p = 0.304

ISSN: 1471-2334