Table 2

Patients eligible for 1-year landmark analysis

VariableAF before HFHF before AF
No-catheter ablation (n=8154)Catheter ablation (n=259)P valueNo-catheter ablation (n=3052)Catheter ablation (n=50)P value
Age median (IQR)67.7 (62.0–71.9)61.1 (52.6–66.9)<0.00167.6 (61.4–71.9)61.9 (51.9–66.0)<0.001
Sex male6051 (74.2)210 (81.1)0.0152279 (74.7)42 (84.0)0.179
COPD1303 (16.0)21 (8.1)<0.001656 (21.5)5 (10.0)0.073
CKD520 (6.4)10 (3.9)0.131315 (10.3)<3 (4.0)0.219
IHD2858 (35.1)70 (27.0)0.0091665 (54.6)24 (48.0)0.435
DM1747 (21.4)33 (12.7)0.001842 (27.6)11 (22.0)0.473
HT8048 (98.7)255 (98.5)0.9503015 (98.8)49 (98.0)1.000
Outpatient2290 (28.1)60 (23.2)0.0961052 (34.5)26 (52.0)0.015
  • The distribution of the predictor variables at the 1-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.