| Puncture Assessment | February | March | p |
| Total Cases (n) | 57 | 64 | <0.05 |
| Average Puncture Placement Time (min) | 12.67 | 7.18 | <0.05 |
| First Puncture Success Rate | 77.20% | 90.60% | <0.05 |
| Puncture-Related Complications (cases) | 2 | 0 | <0.05 |