Table 4.
Subgroup analysis of AF/atrial tachycardia-free survival.
| Subgroup | No. of studies | HP | CP | RR (95% CI) | p-value | ||
|---|---|---|---|---|---|---|---|
| Events | Patients | Events | Patients | ||||
| CF-sensing catheter | |||||||
| With | 11 | 1,006 | 1,578 | 806 | 1,084 | 1.04 (0.98, 1.10) | 0.164 |
| Without | 5 | 256 | 353 | 179 | 294 | 1.23 (1.10, 1.36) | <0.001 |
| AI guided RF ablation | |||||||
| With | 6 | 334 | 397 | 293 | 372 | 1.05 (0.98, 1.11) | 0.142 |
| Without | 10 | 928 | 1,532 | 692 | 1,006 | 1.13 (1.02, 1.25) | 0.019 |
| Total | 16 | 1,262 | 1,929 | 958 | 1,378 | 1.09 (1.02, 1.15) | 0.008 |
HP, high-power ablation; CP, conventional-power ablation; CF, contact force; AI, ablation index; RF, radiofrequency; RR, risk ratios.