Table 3. Gross morphological findings of the aorta.

Parameter	Mean ± SD (range)	Data available (n)	% with abnormal finding
Ascending aortic diameter (cm)	4.2±0.6 (3.2-5.8)	58	28/58 (48.3%) >4.0 cm
Descending aortic diameter (cm)	3.1±0.5 (2.4-4.6)	30	8/30 (26.7%) >3.5 cm
Aortic valve annulus circumference (cm)	7.8±0.9 (6.5-9.2)	21	-
Hemopericardium volume (mL)	580±140 (300-900)	62	62/62 (100%) >300 mL
Linear full-thickness wall disruption	-	51	39/51 (76.4%)
Intimal tear	-	35	24/35 (68.6%)
Intramural hematoma	-	28	15/28 (53.6%)

SD: Standard deviation.