Table 2.

Logistic regression analysis of the dependent variables predicting the development of a severe/critical disease.

Variable	Coefficient	Standard error	Wald	p
Constant	−19.76394	4.59177	18.5262	<0.0001
Age (years)	0.14981	0.045292	10.9411	0.0009
Gender	−0.50030	0.94867	0.2781	0.5979
Smoking history	1.46950	0.85989	2.9205	0.0875
Body Mass Index	0.017179	0.10363	0.02748	0.8683
Days from illness onset	−0.082411	0.045339	3.3039	0.0691
C-reactive protein (mg/L)	−0.013485	0.030438	0.1963	0.6577
Borg score	0.16300	0.21696	0.5645	0.4525
Charlson Comorbidity Index	1.07359	0.26844	15.9954	0.0001
Lung computed tomography severity score	0.086068	0.023500	13.4143	0.0002