[Retracted] Characteristics of the Dynamic Electrocardiogram in the Elderly with Nonvalvular Atrial Fibrillation Combined with Long R-R Intervals

Table 5

Other arrhythmias of the two groups (n (%)).

Parameters (n = 532)	Long R-R interval group (n = 399)	Nonlong R-R interval group (n = 133)	χ^2
Second-degree atrioventricular block	45 (11.28%)	2 (1.50%)	10.650	0.001
Paroxysmal atrial tachycardia	35 (8.77%)	4 (3.01%)	4.067	0.044
Paroxysmal atrial flutter	68 (17.04%)	10 (7.52%)	6.490	0.011
Junctional escape beats	24 (6.02%)	9 (6.77%)	0.011	0.917
Ventricular escape beats	15 (3.76%)	5 (3.76%)	0.069	0.792
Linking phenomenon	8 (2.01%)	2 (1.50%)	0.136	0.712
Transient ventricular arrest	15 (3.76%)	0 (0.00%)	3.865	0.049
Accelerated ventricular escape	12 (3.01%)	3 (2.26%)	0.023	0.880
Complete right bundle branch block	35 (8.77%)	3 (2.26%)	5.441	0.020
Incomplete right bundle branch block	12 (3.01%)	0 (0.00%)	6.188	0.013