Prolonged ICU Stay in Severe and Critically-Ill COVID-19 Patients Who Received Convalescent Plasma Therapy

Table 5

Multivariate analysis on factors confounding constant and deteriorating oxygen support device.

	aOR^1	95% CI	-value
Convalescent plasma	0.45	0.12–1.10	0.081
Obesity	9.18	2.0–42.1	0.004
Mechanical ventilation on admission	0.36	0.1–1.27	0.113
Mechanical ventilation during ICU stay	13.15	3.75–46.09	<0.001
WBC^2 count	1.71	0.69–4.26	0.247
Neutrophil to lymphocyte ratio	2.5	1.07–5.85	0.034
PaO2 to FiO2 ratio	2.76	1.1–6.91	0.031
D-dimer	1.27	0.55–2.90	0.573
Creatinine serum	1.18	0.48–2.93	0.709
Random blood glucose	1.29	0.60–2.78	0.519

¹Reference group of this regression modeling was patients with constant or deteriorated oxygen device requirements. ²WBC: White blood cells.