. 2023 Apr 26;2(3):100308. doi: 10.1016/j.jacadv.2023.100308

Table 1.

Clinical and Echocardiographic Characteristics of OHCM Subjects

Age (y)	59 ± 12
Female (%)	41
Clinical
NYHA functional class	2.4 ± 0.5
Exertional dyspnea	91
Presyncope	50
Syncope	23
Atrial fibrillation	32
On beta blockers	82
On calcium-channel blockers	45
On disopyramide	64
Structural	Preoperative	Postoperative
MV anterior leaflet length (mm)	33 ± 5	29 ± 5
MV posterior leaflet length (mm)	15 ± 2	14 ± 2
Basal anteroseptal thickness (mm)	18 ± 3	12 ± 2
Peak LVOT gradient at rest (mm Hg)	49 ± 41	11 ± 3
Peak LVOT gradient with provocation (mm Hg)	99 ± 23	11 ± 4
Mitral regurgitation grade (0-4)	2^a	2^a
Left ventricular ejection fraction (%)	73 ± 4	68 ± 4

Values are mean ± SD or %.

LVOT = left ventricular outflow tract; MV = mitral valve; NYHA = New York Heart Association; OHCM = obstructive hypertrophic cardiomyopathy.

The medians are reported.