Table 2

Echocardiographic and electrocardiographic characteristics

Variable	CA	HCM	AS	p Value	LVH	p Value
Echo parameters
Ejection fraction (%)	47±12	63±5^*	48±14	<0.001	55±13	0.003
MWT (mm)	16.9±2.8	15.8±3.6	15.7±1.7	0.21	15.8±2.7	0.07
LMVI (g/m²)	149±41	131±46	160±45	0.16	145±47	0.70
LAVI (ml/m²)	39.3±10.1	40.0±14.2	45.5±13.3	0.053	42.2±13.9	0.32
E (m/s)	0.86±0.26	0.86±0.27	1.0±0.26	0.13	0.94±0.27	0.20
A (m/s)	0.49±0.27	0.94±0.29^*	0.70±0.24^*	<0.001	0.84±0.29	<0.001
E/A	2.20±1.1	0.95±0.3^*	1.56±0.8	<0.001	1.22±0.65	<0.001
Average e' (m/s)	4.2±1.7	5.9±1.7^*	5.7±2.0^*	<0.001	5.8±1.8	<0.001
E/e'	24.1±12.7	15.3±5.9^*	20.3±9.9	0.02	17.8±8.4	0.008
DT m/s	183±45	244±64^*	206±65	0.001	226±66	0.003
Global LS	−8.9±3.7	−17.5±3.4^*	−12.4±3.8^*	<0.001	−14.9±4.4	<0.001
ECG parameters
Low voltage	21 (38)	0 (0)^*	1 (7)^*	0.002	1 (3)	0.001
Pseudoinfarct pattern	16 (29)	2 (13)	3 (20)	0.41	5 (17)	0.31

Data are presented as mean ± SD.
↵* p<0.05 versus CA.
A, peak late mitral diastolic flow velocity; AS, aortic stenosis; Average e', average of lateral and medial early mitral annular diastolic tissue velocity; CA, cardiac amyloidosis; DT, deceleration time of early mitral diastolic flow velocity; E, peak early mitral diastolic flow velocity; Global LS, global longitudinal strain; HCM, hypertrophic cardiomyopathy; LAVI, left atrial wall index; LVH, left ventricular hypertrophy; LVMI, left ventricular mass index; MWT, mean wall thickness of the left ventricle.