Chest CT Scan Features to Predict COVID-19 Patients’ Outcome and Survival

Table 3

Univariate and multivariate Cox regression.

Variable	Coefficient of variable in the model	Exp(B) (95% CI)	value of variables	value of models
Univariate Cox regression
PI score ≥ 10	0.60	1.8 [1.09–3.01]	0.02	0.02
PI density score ≥ 2.2	0.57	1.77 [1.10–2.91]	0.03	0.03
Multivariate backward Cox regression
PI score ≥ 10	0.56	1.75 [1.05–2.9]	0.03	0.01

PI: pulmonary involvement; CI: confidence interval.