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| Ultra-high density mapping n=20 | Conventional mapping n=40 | p value | |
|---|---|---|---|
| Male gender | 13 (65%) | 21 (52%) | ns |
| Age (years) | 53±21 | 60±13 | ns |
| Structral cardiomyopathy | 8 (40%) | 12 (30%) | ns |
| PVC induced CM | 7 (35%) | 16 (40%) | ns |
| LVEF (%) | 46±15 | 46±15 | ns |
| Anti-arrhythmic drugs or beta-blocker | 16 (80%) | 32 (80%) | ns |
| Redo procedure | 6 (30%) | 2 (5%) | 0.007 |
| PVC number/24 hours | 12944±9714 | 18889±12554 | ns |
