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Comparison of one versus two punctures
| Variables | Single puncture group (n = 66) | Two punctures group (n = 25) | p value* |
|---|---|---|---|
| Age (year) | 56.27 ± 8.98 | 59.80 ± 10.19 | 0.11 |
| PD (cm) | 1.14 ± 0.69 | 1.15 ± 0.81 | 0.99 |
| Location | |||
| Central | 23 | 5 | 0.67 |
| Peripheral | 43 | 20 |
* p< 0.05
