Fully digital data processing during cardiovascular implantable electronic device follow-up in a high-volume tertiary center

Table 1 Baseline characteristics of study patients

	Manual data processing (n = 126)	Fully digital data processing (n = 265)	p value
Age (years; mean ± SEM)	72 ± 1.1	69 ± 1.0	0.067^a
Male (n; %)	79 (63)	170 (64)	0.78^b
Concomitant cardiac disease (n; %)	101 (80)	197 (74)	0.207^b
Ischemic heart disease (n; %)	66 (52)	120 (45)	0.19^b
Non-ischemic heart disease (n; %)	35 (28)	73 (28)	0.96^b
Primary electrical heart disease (n; %)	0 (0)	4 (2)	0.31^c
Rhythm at presentation
Sinus rhythm (including complete AV block) (n; %)	93 (74)	192 (72)	0.78^b
Atrial fibrillation^d (n; %)	29 (23)	59 (22)	0.87^b
Atrial flutter (n; %)	1 (1)	1 (< 1)	0.54^c
Sinus arrest/complete SA block (n; %)	3 (2)	13 (5)	0.29^c
Device indications
Sinus node disease (n; %)	12 (10)	38 (14)	0.18^b
Atrial fibrillation with slow ventricular response rate (n; %)	13 (10)	22 (8)	0.51^b
AV block (n; %)	29 (23)	59 (22)	0.87^b
Carotid sinus syndrome (n; %)	1 (1)	2 (1)	1.0^c
Primary prevention of SCD (n; %)	50 (40)	106 (40)	0.95^b
Secondary prevention of SCD (n; %)	21 (17)	38 (14)	0.55^b

AV atrioventricular node, SA sinoatrial node, SCD sudden cardiac death, SEM standard error of the mean
^aUnpaired Student’s t test (two-tailed test)
^bChi-square test (two-tailed test)
^cFisher’s exact test (two-tailed test)
^dIncludes paroxysmal, persistent, and permanent atrial fibrillation

ISSN: 2047-783X