Table 2.

Trend of electrocardiographic parameters during follow-up.

	Baseline	24 h	6 Months	p (24 h)	p (6 Mo)
HR [bpm]	88.6 ± 12.6	87.3 ± 14.2	81.0 ± 12.7	p = 0.9	p = 0.009
P Wave Dispersion [ms]	40 ± 15	30 ± 13	30 ± 13	p < 0.002	p < 0.002
PR Conduction [ms]	175.0 ± 20.8	144.0 ± 22.7	164.0 ± 19.5	p = 0.018	N.S.
QTc Dispersion [ms]	40.9 ± 13.3	31.7 ± 20.3	28.0 ± 18.1	p < 0.02	p < 0.002
QTc value [ms]	405.9 ± 19.95	403.6 ± 17.28	398.2 ± 15.5	p = 0.5	p = 0.03