Prognostic Factors and Survival of Chinese Patients with Cardiac Amyloidosis

Table 4

Multivariate Cox proportional hazard regression.

Models	HR	95% CI	value
Model 1: clinical features
NYHA class	3.79	2.05–7.00	<0.001
Model 2: clinical features + laboratory test results
NYHA class	3.81	1.74–8.37	0.001
Log NT-proBNP	1.87	1.06–4.77	0.036
Model 3: clinical features + laboratory test results + echocardiographic parameters
NYHA class	3.42	1.36–8.65	0.002
Log NT-proBNP	1.40	1.17–5.83	0.03
ENDO LSsys of LV basal level	1.25	1.05–1.95	0.004

NYHA: New York Heart Association; NT-proBNP: N-terminal precursor of brain natriuretic peptide; ENDO LSsys of LV: endocardial longitudinal strain during left ventricle systole.