Table 1 Comparative analysis of intervals recorded on “new electrocardiogram” and His bundle electrogram

New electrocardiogram

31.34 ± 4.17 ^a

79.86 ± 15.35 ^a

49.63 ± 6.19

160.83 ± 17.92 ^a

His bundle electrogram

30.14 ± 4.91

77.20 ± 16.04

49.35 ± 6.49

156.52 ± 19.09

t

3.269

2.113

0.927

3.288

P

0.002

0.038

0.357

0.002