Characteristics of patients. Group A: Holter electrocardiographic exclusion of sinus node disease; group B: total AV block fulfilling the sinus rate criterion of 70 beats/min
| Group A | Group B | All | |
|---|---|---|---|
| Number of patients | 286 | 155 | 441 |
| Age (years) | 68.0 (13.4) | 71.3 (12.2) | 69.1 (13.1) |
| Sex (male %) | 71.3 | 72.3 | 71.9 |
| Pacemakers (VDD/DDD) | 142/144 | 77/78 | 219/222 |
| Indications | |||
| AV block III (%) | 31.2 | 100.0 | 55.4 |
| AV block II (%) | 44.4 | 28.8 | |
| Trifascicular block (%) | 24.4 | 15.8 | |
| Concomitant disease | |||
| Coronary artery disease (%) | 40.6 | 43.2 | 41.5 |
| Heart failure NYHA II & III (%) | 28.3 | 33.5 | 30.2 |
| Follow up (months) | 37.2 (19.1) | 35.8 (19.8) | 36.7 (19.4) |
There was no significant difference between the groups. Age and follow up periods are given as mean (SD).
NYHA, New York Heart Association functional class.