Table 2

Comparison of 24 hour ECG findings in the three groups before treatment

Bidirectional group (group 2)
Positive group
(group 1)		Non-respondersResponders
Mean (SD) PVC/24 h 17991 (17106)5268 (2910)10006 (7028)
Mean (SD) heart rate (beats/min)75.1 (14.3)71.3 (6.3)69.2 (4.4)
Mean (SD) heart rate of peak PVC2-151(beats/min)ND76.3 (12.4)63.2 (3.7)2-150

  • ↵2-150 p<0.05 v non-responder group.

  • ↵2-151 Heart rate at which the frequency of premature ventricular contractions (PVC) peaked.

  • ND, not determined.