| Hazard ratio | Lower 95% CI | Upper 95% CI | P value |
---|---|---|---|---|
Univariate | ||||
Age, years | 1.004 | 0.983 | 1.026 | 0.718 |
Gender | Â | Â | Â | Â |
 Male (ref.) |  |  |  |  |
 Female | 1.258 | 0.821 | 1.926 | 0.291 |
Persistent AF | Â | Â | Â | Â |
 No (ref.) |  |  |  |  |
 Yes | 1.437 | 0.976 | 2.115 | 0.066 |
History of AF | 1.235 | 1.026 | 1.486 | 0.025 |
Hypertension | Â | Â | Â | Â |
 No (ref.) |  |  |  |  |
 Yes | 0.924 | 0.625 | 1.367 | 0.693 |
Diabetes | Â | Â | Â | Â |
 No (ref.) |  |  |  |  |
 Yes | 0.572 | 0.248 | 1.317 | 0.189 |
Coronary heart disease | Â | Â | Â | Â |
 No (ref.) |  |  |  |  |
 Yes | 0.778 | 0.389 | 1.554 | 0.477 |
Ischaemic stroke | Â | Â | Â | Â |
 No (ref.) |  |  |  |  |
 Yes | 1.336 | 0.648 | 2.756 | 0.433 |
CCr, ml/min | 0.935 | 0.920 | 0.951 |  < 0.001 |
eGFR, ml/min/1.732 | 0.955 | 0.941 | 0.970 |  < 0.001 |
CHADS2 score | 0.917 | 0.738 | 1.140 | 0.437 |
CHA2DS2-VASc score | 0.997 | 0.846 | 1.177 | 0.976 |
R2CHADS2 score | 0.996 | 0.959 | 1.035 | 0.849 |
Produce time, h | 2.350 | 1.542 | 3.582 |  < 0.001 |
Exposure time, s | 0.997 | 0.981 | 1.013 | 0.706 |
Ablation time, min | 0.995 | 0.976 | 1.014 | 0.586 |
LAD, mm | 1.319 | 1.209 | 1.439 |  < 0.001 |
LAV, ml | 1.327 | 1.257 | 1.401 |  < 0.001 |
LAVI, ml/m2 | 1.323 | 1.251 | 1.400 |  < 0.001 |
LVEF, % | 0.950 | 0.921 | 0.981 | 0.002 |
Multivariate (backward elimination) | ||||
eGFR, ml/min/1.732 | 0.930 | 0.912 | 0.947 |  < 0.001 |
LAD, mm | 1.751 | 1.459 | 2.102 |  < 0.001 |
LAV, ml | 1.342 | 1.203 | 1.497 |  < 0.001 |
LAVI, ml/m2 | 1.379 | 1.186 | 1.602 |  < 0.001 |