Table 3. Comparison of three methods MLSI 2D TTE, MLSI 2D TEE and MVA 3D planimetry in different degrees of mitral valve stenosis .

Characteristic	Progressive	Severe	Very Severe	P -value
MVA3D planimetry (cm2)	1.81 ± 0.18	1.31 ± 0.18	0.86 ± 0.16	<0.01*
MLSI2D TTE (mm)	12.61 ± 1.16	9.39 ± 0.91	7.69 ± 1.09	<0.01*
MLSI2D TEE (mm)	12.64 ± 1.07	9.61 ± 1.04	7.61 ± 1.14	<0.01*