Table 1 Open in new tab Results of the...

Table 1

Results of the ECG analyses

	Baseline	Acute	3 months	6 months	12 months
BiVP (n = 95)
Heart rate (b.p.m.)	68 ± 12	72 ± 12^a	73 ± 12^a	68 ± 10^b	70 ± 11
QRS duration (ms)	185 ± 20	154 ± 21^a	158 ± 22^a	156 ± 25^a	160 ± 24^a
QTc (ms)	427 ± 33	443 ± 37^a	420 ± 29^c	425 ± 29^c	419 ± 29^c
JTc (ms)	236 ± 28	280 ± 40^a	253 ± 32^a,c	262 ± 33^a,c	251 ± 27^a,c
Tpeak-Tend,c (ms)	79 ± 18	90 ± 19^a	78 ± 14^c	78 ± 16^c	75 ± 17^c
LBBAP (n = 57)
Heart rate (b.p.m.)	65 ± 12	72 ± 14^a	68 ± 9.5^a,d	69 ± 11	68 ± 9.4
QRS duration (ms)	180 ± 23	154 ± 24^a	162 ± 22^a	164 ± 24^a,c	162 ± 22^a
QTc (ms)	447 ± 32^d	429 ± 31^a,d	419 ± 32^a	420 ± 34^a	421 ± 30^a
JTc (ms)	263 ± 31^d	266 ± 34^d	250 ± 32	250 ± 33^d	254 ± 33
Tpeak-Tend,c (ms)	84 ± 16	74 ± 18^a,d	68 ± 20^a,d	68 ± 19^a,d	68 ± 15^a,d

	Baseline	Acute	3 months	6 months	12 months
BiVP (n = 95)
Heart rate (b.p.m.)	68 ± 12	72 ± 12^a	73 ± 12^a	68 ± 10^b	70 ± 11
QRS duration (ms)	185 ± 20	154 ± 21^a	158 ± 22^a	156 ± 25^a	160 ± 24^a
QTc (ms)	427 ± 33	443 ± 37^a	420 ± 29^c	425 ± 29^c	419 ± 29^c
JTc (ms)	236 ± 28	280 ± 40^a	253 ± 32^a,c	262 ± 33^a,c	251 ± 27^a,c
Tpeak-Tend,c (ms)	79 ± 18	90 ± 19^a	78 ± 14^c	78 ± 16^c	75 ± 17^c
LBBAP (n = 57)
Heart rate (b.p.m.)	65 ± 12	72 ± 14^a	68 ± 9.5^a,d	69 ± 11	68 ± 9.4
QRS duration (ms)	180 ± 23	154 ± 24^a	162 ± 22^a	164 ± 24^a,c	162 ± 22^a
QTc (ms)	447 ± 32^d	429 ± 31^a,d	419 ± 32^a	420 ± 34^a	421 ± 30^a
JTc (ms)	263 ± 31^d	266 ± 34^d	250 ± 32	250 ± 33^d	254 ± 33
Tpeak-Tend,c (ms)	84 ± 16	74 ± 18^a,d	68 ± 20^a,d	68 ± 19^a,d	68 ± 15^a,d

BiVP, biventricular pacing; LBBAP, left bundle branch area pacing; b.p.m., beats per minute; ms, milliseconds; α ≤ 0.05.

^aSignificantly different from baseline.

^bSignificantly different from 3 months follow-up.

^cSignificantly different from the acute phase.

^dSignificantly different from BiVP.