Relationship of Natriuretic Peptides with Left Atrial Structure and Function within 1 Month after Electrical Cardioversion in Patients with Persistent Atrial Fibrillation

Table 3

Natriuretic peptides concentrations according to atrial fibrillation duration prior to electrical cardioversion.

	AF episode prior to ECV			p value
	<3 months	3-6 months	6-12 months
	(n=27 pts)	(n=13 pts)	(n=8 pts)
NT-proANP, ng/L	46724.96±24536.20#	66399.83±31630.25	92202.00±49715.92	0.005	0.133
NT-proBNP, ng/L	1672.00 (998.25-2283.00)	1573.00 (1035.50-3936.50)	1710.00 (584.00-3508.00)	0.67	-

statistically significant difference; computed as α = 0.05; # p = 0.001 compared to 6-12 months.