Variable | AF before HF | HF before AF | ||||
No-catheter ablation (n=3726) | Catheter ablation (n=286) | P value | No-catheter ablation (n=1232) | Catheter ablation (n=42) | P value | |
Age median (IQR) | 70.8 (65.0–75.4) | 64.9 (58.5–69.6) | <0.001 | 70.3 (64.4–75.2) | 62.4 (56.2–68.3) | <0.001 |
Sex male | 2732 (73.3) | 229 (80.1) | 0.015 | 916 (74.4) | 29 (69.0) | 0.553 |
COPD | 612 (16.4) | 30 (10.5) | 0.011 | 261 (21.2) | 3 (7.1) | 0.044 |
CKD | 295 (7.9) | 8 (2.8) | 0.002 | 142 (11.5) | 3 (7.1) | 0.527 |
IHD | 1509 (40.5) | 107 (37.4) | 0.335 | 687 (55.8) | 16 (38.1) | 0.035 |
DM | 971 (26.1) | 41 (14.3) | <0.001 | 362 (29.4) | 15 (35.7) | 0.476 |
HT | 3692 (99.1) | 286 (100.0) | 0.198 | 1222 (99.2) | 42 (100.0) | 1.000 |
Outpatient | 1064 (28.6) | 67 (23.4) | 0.073 | 433 (35.1) | 16 (38.1) | 0.819 |
The distribution of the predictor variables at the 5-year landmark.
AF, atrial fibrillation; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; HF, heart failure; HT, hypertension; IHD, ischaemic heart disease.