Table 5.

Diagram for correlation between NT-pro BNP and ejection fraction.

	EF less than 40%N. 42	EF 40–50 N. 70	EF more than50 N. 20	P1	P2	P3
NT pro-BNP	2569.5 ± 2270.5	1342.46 ± 2002.0	328.4 ± 46.8	0.001	0.02	0.05

Abbreviations: P1 = EF less than 40% vs. EF 40–50%. P2 = EF less than 40% vs. EF more than 50%. P3 = EF40–50% vs, EF more than 50%.