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Table 1 Baseline characteristics of study patients

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

  Manual data processing (n = 126) Fully digital data processing (n = 265) p value
Age (years; mean ± SEM) 72 ± 1.1 69 ± 1.0 0.067a
Male (n; %) 79 (63) 170 (64) 0.78b
Concomitant cardiac disease (n; %) 101 (80) 197 (74) 0.207b
Ischemic heart disease (n; %) 66 (52) 120 (45) 0.19b
Non-ischemic heart disease (n; %) 35 (28) 73 (28) 0.96b
Primary electrical heart disease (n; %) 0 (0) 4 (2) 0.31c
Rhythm at presentation
Sinus rhythm (including complete AV block) (n; %) 93 (74) 192 (72) 0.78b
Atrial fibrillationd (n; %) 29 (23) 59 (22) 0.87b
Atrial flutter (n; %) 1 (1) 1 (< 1) 0.54c
Sinus arrest/complete SA block (n; %) 3 (2) 13 (5) 0.29c
Device indications
Sinus node disease (n; %) 12 (10) 38 (14) 0.18b
Atrial fibrillation with slow ventricular response rate (n; %) 13 (10) 22 (8) 0.51b
AV block (n; %) 29 (23) 59 (22) 0.87b
Carotid sinus syndrome (n; %) 1 (1) 2 (1) 1.0c
Primary prevention of SCD (n; %) 50 (40) 106 (40) 0.95b
Secondary prevention of SCD (n; %) 21 (17) 38 (14) 0.55b
  1. AV atrioventricular node, SA sinoatrial node, SCD sudden cardiac death, SEM standard error of the mean
  2. aUnpaired Student’s t test (two-tailed test)
  3. bChi-square test (two-tailed test)
  4. cFisher’s exact test (two-tailed test)
  5. dIncludes paroxysmal, persistent, and permanent atrial fibrillation