TABLE 2.

Results of the electrophysiological study

Variables	Overall (N = 122)	No pacemaker (N = 42)	Pacemaker (N = 80)	P‐value
CSNRT (msec)	503.63 ± 287.83	502.41 ± 356.56	504.26 ± 248.02	0.214
CSNRT ≥ 525 msec	54 (44.3)	15 (35.7)	39 (48.8)	0.168
SACT (msec)	182.50 ± 100.29	187.52 ± 138.47	178.88 ± 61.27	0.396
SACT ≥ 140 msec	50 (41)	18 (42.9)	32 (40)	0.760
Chronotropic response to atropine ≤90 bpm	52 (42.6)	19 (45.2)	33 (41.3)	0.672
Atrioventricular node disease	71 (58.2)	22 (52.4)	49 (61.3)	0.345

Abbreviations: CSNRT, Corrected sinus node recovery time; SACT, sinoatrial conduction time.