Skip to main content

Table 2 AUC values of quantitative parameters with different thresholds

From: Quantitative CT for detecting COVID‑19 pneumonia in suspected cases

Threshold AUC value of ROC (95% CI)
(HU) VOGGO GGOPITWL VOC CPITWL GGOPITTL
– 500 0.751 (0.604, 0.866) 0.756 (0.609, 0.869) 0.711 (0.560, 0.833) 0.709 (0.558, 0.832) 0.602 (0.449, 0.742)
– 450 0.751 (0.604, 0.866) 0.754 (0.607, 0.868) 0.708 (0.557, 0.831) 0.696 (0.545, 0.822) 0.579 (0.426, 0.721)
– 400 0.754 (0.607, 0.868) 0.747 (0.599, 0.862) 0.702 (0.551, 0.826) 0.690 (0.538, 0.817) 0.576 (0.423, 0.719)
– 350 0.753 (0.605, 0.867) 0.759 (0.612, 0.871) 0.689 (0.537, 0.816) 0.687 (0.535, 0.814) 0.579 (0.426, 0.721)
– 300 0.769 (0.623, 0.879) 0.769 (0.623, 0.879) 0.713 (0.563, 0.836) 0.673 (0.520, 0.802) 0.588 (0.435, 0.729)
– 250 0.763 (0.617, 0.875) 0.759 (0.612, 0.871) 0.675 (0.523, 0.805) 0.635 (0.481, 0.770) 0.582 (0.429, 0.724)
– 200 0.763 (0.617, 0.875) 0.760 (0.613, 0.873) 0.681 (0.529, 0.810) 0.654 (0.501, 0.786) 0.605 (0.452, 0.745)
– 160 0.760 (0.613, 0.873) 0.754 (0.607, 0.868) 0.658 (0.505, 0.790) 0.643 (0.490, 0.778) 0.594 (0.441, 0.734)
  1. GGO ground glass opacity, VOGGO volume of GGO, GGOPITWL GGO percentage in the whole lung, VOC volume of consolidation, CPITWL consolidation percentage in the whole lung, GGOPITTL GGO percentage in the total lesion, ROC receiver operating characteristic, AUC area under curve, CI confidence interval, HU Hounsfield units