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Table 3 Lesion concordance rates between low-dose CT screening versus a follow-up standard diagnostic CT

From: Low-dose CT scan screening for lung cancer: comparison of images and radiation doses between low-dose CT and follow-up standard diagnostic CT

  Observers   
Category A B C D E Average with lesion Statistically significant difference
Size of nodule (mm) 100% 100% 100% 100% 100% 100% p < 0.001
Pattern 92% 84% 78% 73% 84% 82% p < 0.001
Calcification 100% 100% 100% 100% 95% 99% p < 0.001
Boundary 95% 95% 76% 95% 84% 89% p < 0.001
Shape 81% 97% 95% 95% 86% 91% p < 0.001
Margin 89% 89% 92% 89% 95% 91% p < 0.001
Spiculation 84% 95% 97% 76% 97% 90% p < 0.001
Glomerulus 97% 95% 100% 92% 84% 94% p < 0.001
Indrawn pleura sign 92% 84% 95% 73% 89% 87% p < 0.001
Air bronchogram 86% 73% 84% 100% 70% 83% p < 0.001
Final diagnosis 97% 97% 95% 84% 95% 94% p < 0.001