Effect of Left Ventricular Outflow Tract Obstruction on Left Atrial Mechanics in Hypertrophic Cardiomyopathy

Table 2

Baseline clinical and CMR parameters.

	Normal controls; ()	HCM; ()	value
Clinical characteristics
Age at CMR (years)	42.6 ± 16	49.7 ± 15	0.007
Sex (male, , %)	28 (56%)	70 (70%)	0.09
BSA	1.94 ± 0.3	1.94 ± 0.2	0.96
NYHA I/II/III/IV (%)	100/0/0/0	56/19/25/0	<0.0001
CMR parameters
LVEF (%)	62.5 ± 6	63.1 ± 7	0.58
LVEDVi (mL/m^2)	87.7 ± 16	86.8 ± 13	0.72
LVMi (g/m^2)	52.5 ± 11	80.6 ± 26	<0.0001

CMR: cardiac magnetic resonance; BSA: body surface area; NYHA: New York Heart Association functional class; LVEF: left ventricular ejection fraction; LVEDVi: indexed left ventricular end-diastolic volume; LVMi: indexed left ventricular mass.