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Table 2 Comparison of CCTA and DL-LEM in detecting significant stenosis (≥ 75%) with ICA as the reference standard

From: Use of a deep-learning-based lumen extraction method to detect significant stenosis on coronary computed tomography angiography in patients with severe coronary calcification

  CCTA group DL-LEM group
Significant stenosis (≥ 75%) Nonsignificant stenosis Significant stenosis (≥ 75%) Nonsignificant stenosis
Evaluation 1
ICA significant stenosis (≥ 75%) 124 48 125 47
ICA nonsignificant stenosis 179 540 163 556
Evaluation 2
ICA significant stenosis (≥ 75%) 81 0 81 0
ICA nonsignificant stenosis 147 0 131 16
  1. CCTA coronary computed tomography angiography, DL-LEM deep learning-based lumen extraction method, ICA invasive coronary angiography