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Table 2 The mean shortest spatial distances and percentage of the distance < 5 mm from the points of the left atrial roof to the adjacent primary bronchi

From: Anatomical correlation between left atrium pulmonary vein ablation targets of atrial fibrillation and adjacent bronchi and pulmonary arteries by MSCT

Layer Right (a) Middle (b) Left (c)
Distance (mm) Distance < 5 mm (%, n) Distance (mm) Distance < 5 mm (%, n) Distance (mm) Distance < 5 mm (%, n)
Anterior 17.42 ± 3.93 0.79% (1/126) 21.60 ± 3.70 0% (0/126) 14.63 ± 3.82 0% (0/126)
Middle 12.98 ± 3.44 0.79% (1/126) 18.50 ± 3.59 0.79% (1/126) 12.38 ± 4.27 4.76% (6/126)
Posterior 10.80 ± 3.71 4.76% (6/126) 17.39 ± 3.81 0% (0/126) 12.25 ± 3.96 3.17% (4/126)
P value .12 .04 .23 .37 .01 .06