Table 2.

Aortic Measurements

Variable	AVR + Aortic Operation (n = 91)		AVR Alone (n = 58)		Total (N = 149)		p Value
	No.	Mean ± SD or No. (%)	No.	Mean ± SD or No. (%)	No.	Mean ± SD or No. (%)
Diameter, mm
Anulus long axis	68	31.1 ± 4.8	33	31 ± 4.1	101	31.1 ± 4.6	0.98
Anulus short axis	68	21.5 ± 3.9	33	21.5 ± 4	101	21.5 ± 3.9	0.97
Sinuses of Valsalva	68	37.5 ± 6	34	33.6 ± 4.3	102	36.2 ± 5.8	.0003a
Sinotubular junction	68	36.7 ± 6.1	34	30.3 ± 4.4	102	34.6 ± 6.4	<.0001a
Tubular ascending	67	46.4 ± 6.1	33	37 ± 5.8	100	43.3 ± 7.4	<.0001a
Maximum ascending	67	46.8 ± 6.3	31	37.2 ± 5.8	98	43.8 ± 7.6	<.0001a
Innominate	65	33.6 ± 3.9	30	30.5 ± 4.9	95	32.6 ± 4.4	.004a
Mid arch	65	27.3 ± 3.7	30	26 ± 3.6	95	26.9 ± 3.7	0.11
Proximal descending	65	24.5 ± 3.6	30	23.9 ± 4.4	95	24.3 ± 3.8	0.51
Distal descending	65	20.7 ± 3	29	20 ± 2.9	94	20.5 ± 3	0.32
Area/height ratio, cm2/m
Anulus	68	3.4 ± 1	33	3.4 ± 1.1	101	3.4 ± 1	0.98
Sinuses of Valsalva	68	6.7 ± 1.9	34	5.5 ± 1.8	102	6.3 ± 1.9	.004a
Sinotubular junction	66	6.3 ± 2.3	34	4.4 ± 1.3	100	5.6 ± 2.2	<.0001a
Tubular ascending	67	9.9 ± 2.6	33	6.5 ± 2.1	100	8.8 ± 2.9	<.0001a
Maximum ascending	67	10 ± 2.8	31	6.6 ± 2.1	98	9 ± 3	<.0001a
Innominate	65	5.1 ± 1.2	30	4.4 ± 1.5	95	4.9 ± 1.3	0.03a
Mid arch	65	3.4 ± 1	30	3.2 ± 1	95	3.4 ± 1	0.38
Proximal descending	65	2.7 ± 0.8	30	2.8 ± 1.3	95	2.7 ± 0.9	0.91
Distal Descending	65	2 ± 0.5	29	1.9 ± 0.8	94	1.9 ± 0.6	0.88
Arch configuration
Normal	68	55 (80)	34	25 (7)	102	80 (78)	0.25
Bovine		11 (16)		4 (1)		15 (15)
Variant		3 (4)		5 (1)		8 (8)

^aStatistically significant (p < 0.05).

AVR = aortic valve replacement; SD = standard deviation.