A novel risk model for mortality and hospitalization following cardiac resynchronization therapy in patients with non-ischemic cardiomyopathy: the alpha-score

Table 3 The Alpha score standards

Letter	Risk factor	Score (if present)
A	Left atrial diameter (> 44.5 cm)	1
L	non-left bundle branch block	1
P	N-terminal pro-B-type natriuretic peptide (> 13.53 per 100 pg/ml)	1
H	high sensitivity C-reactive protein (> 2.87 umol/L)	1
A	NYHA IV	1
Max score		5

ISSN: 1471-2261