Table 2.

Mitral valve measurements

	AS	Control	p Value
Mitral annulus
Outer MAA (cm2)	8.2±1.3	7.3±0.9	<0.001
CC diameter (mm)	34.9±3.5	33.6±2.5	0.07
AP diameter (mm)	29.3±2.9	26.6±2.4	<0.001
CC/AP diameter	1.20±0.15	1.27±0.13	<0.05
Inner MAA (cm2)	4.5±1.1	5.9±0.9	<0.001
CC diameter (mm)	24.8±3.7	29.7±2.4	<0.001
AP diameter (mm)	21.7±3.9	24.1±2.2	<0.005
CC/AP diameter	1.17±0.23	1.24±0.12	0.13
Calcification area (outer MAA–inner MAA)
	3.7±1.1	1.3±0.2	<0.001
Mitral valve
MVA (cm2)	2.5±1.0	3.8±0.8	<0.001
MVA<1.5 cm2 (%)	24 (24)	0 (0)	<0.001
MVA/outer MAA ratio	0.31±0.11	0.53±0.13	<0.001
MVA/inner MAA ratio	0.56±0.18	0.66±0.18	<0.01
Peak velocity (m/sec)	1.09±0.31	0.7±0.15	<0.001
Mean PG (mm Hg)	1.69±1.31	0.68±0.44	<0.001
Diastolic mitral leaflet opening angle (degree)
α1	64±10	72±8	<0.001
α2	71±12	87±7	<0.001

AP, anteroposterior; CC, comissure–comissure; MAA, mitral annular area; MVA, mitral valve area; PG, pressure gradient.