Research Article

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

Table 3

Multivariate analysis on factors confounding mortality.

aOR195% CI-value

Convalescent plasma0.450.12–1.60.22
Age2.250.59–8.460.23
Hypertension1.170.34–4.010.80
Obesity14.11.25–166.70.032
Mechanical ventilation on admission0.50.13–1.960.32
Mechanical ventilation during ICU stay3334.5–1,000<0.001
WBC2 count1.870.47–7.250.37
Neutrophil to lymphocyte ratio7.321.82–29.40.005
PaO2 to FiO2 ratio7.702.04–29.40.003
D-dimer1.170.33–4.170.81
Creatinine serum1.480.43–5.120.53
Random blood glucose2.450.8–7.510.17

1Reference group of this regression modeling was length of stay of 7 days or more. 2WBC: White blood cells.