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 |