Table 4. Predictive values of MLR model, age and homocysteine for imaging progression on chest CT from COVID-19 patients.

	Estimate	95%CI
MLR
Cutoff	0.51	-
Sensitivity	0.44	0.32 – 0.56
Specificity	0.79	0.72 – 0.84
Positive predictive value	0.42	0.34 – 0.54
Negative predictive value	0.80	0.71 – 0.85
Age, years
Cutoff	51	-
Sensitivity	0.65	0.53 – 0.76
Specificity	0.58	0.51 – 0.65
Positive predictive value	0.35	0.29 – 0.48
Negative predictive value	0.83	0.74 – 0.86
Homocysteine, μmol/L
Cut off	10.58
Sensitivity	0.42	0.31 – 0.55
Specificity	0.79	0.72 – 0.84
Positive predictive value	0.41	0.33 – 0.53
Negative predictive value	0.80	0.70 – 0.85