Table 2. Hemodynamic, metrology, and morphology of PMV.

Clinical presentation			Non-syndromic PMV (n=287)	Syndromic PMV (n=43)			Test	χ2/t-value	p
	n	%	Mean±SD	n	%	Mean±SD
Mean mitral pressure gradient (mmHg)			12.7±7.9			9.9±1.9	Independent samples	0,763	0,458
							t test
Peak mitral pressure gradient (mmHg)			26.0±2.6			21.5±11.0	Independent samples	0,673	0,52
							t test
Annulus diameter (mm) z-value			11.6±4.4
			-1.6±2.0
Mitral valve area (cm2)			1.8±1.0			2.0±0.6	Independent samples	0,352	0,732
							t test
Dominant papillary muscle	·   Posteromedial (n=41)[39,43,45,48,53,62]			·  Apical[63]
	·   Anterolateral (n=14)[39,65]
	·   Inferolateral[56]
	·   Left (n=1)[32]
	·   Central[54]
Supravalvular mitral ring	10 [9,10,38,39]	3,5		11 [4,7,12,15,20,21,28,37,49,63,66]	25,6		Chi-square	23	<0.001
Mitral valve	99	100		36	100
MR	50	50,5		6	16,7		Chi-square	12,5	<0.001
MS	36	36,4		29	80,6		Chi-square	20,7	<0.001
MS + MR	7	7,1		1	2,8		Fisher exact test with	0,9	0,681
							continuity correction
Normal	6	6,1		0	0		Fisher exact test with	2,3	0,342
							continuity correction
PMV: parachute mitral valve; MR: Mitral regurgitation; MS: Mitral stenosis.