1.The predissection aortic diameter of the proximal thoracic descending aorta was 7.9 (5.2, 10.7) mm larger (P < 0.001) than the post-dissection area-derived true-lumen diameter and 2.5 (1.3, 6.1) mm larger than the maximum true-lumen diameter (P < 0.001).
胸近段降主动脉剥离前主动脉直径比剥离区衍生的真腔直径大7.9 (5.2,10.7)mm (P < 0.001)，大于最大真腔直径2.5 (1.3,6.1)mm (P < 0.001)。