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Table 1 The number of cardiac surface vertices classified into the healthy and scar tissue categories based on semi-automated and automatic segmentation. There was no statistical difference in the methods (p=0.36 paired t-test).

From: An automatic segmentation for improved visualization of atrial ablation lesions using magnetic resonance imaging

  Automated algorithm (# surface vertices) Expert-operated semi-automated (# surface vertices) % scar using automated algorithm % scar using expert-operated semi-automated % difference
Patient Healthy Scar Healthy Scar    
Pt. 1 4937 1167 5196 13.38 18.24 13.38 +4.86
Pt. 2 7953 260 7954 2.87 2.77 2.87 -0.10
Pt. 3 6555 629 6540 8.31 8.67 8.31 +0.36
Pt. 4 6354 1584 6220 25.08 23.00 25.08 -1.92
Pt. 5 4522 602 4500 12.00 15.50 12.00 -3.50