Table 4. Value of Cut-Off, AUC, 95% CI, Sensitivity, Specificity of Five CT Quantitative Parameters.

CT Quantitative Parameters (%)	AUC (95% CI)	Sensitivity (95% CI)	Specificity (95% CI)	Cut-Off (%)
GGO CT score	90.7 (82.6–98.9)	78.3 (65.2–95.7)	96.7 (77.0–100)	8.2
Consolidation CT score	87.0 (76.9–97.2)	73.9 (47.8–91.3)	91.8 (67.2–100)	2.1
Total lesion CT score	93.8 (86.8–100)	91.3 (69.6–100)	91.8 (23.0–98.4)	8.2
GGO/total lesion	68.7 (56.5–81.0)	91.3 (69.6–100)	44.3 (15.1–62.3)	0.9
Consolidation/total lesion	71.5 (59.4–83.6)	73.9 (56.5–95.7)	59.0 (34.4–77.0)	0.1

AUC = area under curve, CI = confidence interval