On improvement in ejection fraction with iron chelation in thalassemia major and the risk of future heart failure

Table 2 Relative risk for development of heart failure for each 1% increase in ejection fraction (EF)

Baseline ejection fraction	Relative risk	95% Confidence intervals		p value	Patients	Scans
56-62%	0.818	0.767	0.872	<0.001	109	291
63-70%	0.893	0.836	0.953	0.001	206	463

ISSN: 1532-429X