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Electrocardiographic characteristics
| Variables | Pacemaker (n = 44) | No pacemaker (n = 339) | All patients (n = 383) | P‐value |
|---|---|---|---|---|
| Left bundle branch block | 3 (6.8) | 36 (11.3) | 39 (10.7) | .60 |
| Right bundle branch block | 11 (25) | 39 (12.3) | 50 (13.8) | .02 |
| QRS duration > 150 ms | 5 (11.4) | 42 (13.1) | 47 (12.9) | .74 |
| PQ interval > 250 ms | 5 (11.4) | 15 (4.7) | 20 (5.5) | .07 |
| Atrial fibrillation | 11 (25) | 152 (44.8) | 163 (42.6) | .01 |
| High grade AV block | 0 (0) | 0 (0) | 0 (0) | NA |
Values are N (%).
