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两组定位资料比较
Comparison of positioning data between the two groups
| Variables | Experimental group (n=45) | Positioning hook group (n=45) | P |
| Age (Mean±SD, yr) | 58.6±8.5 | 60.2±7.9 | 0.23 |
| Diameter of nodules (Mean±SD, mm) | 8.9±3.4 | 8.4±3.1 | < 0.01 |
| Distance from nodule to pleura (Mean±SD, mm) | 12.9±4.7 | 14.6±3.9 | 0.04 |
| Average procedural time (Mean±SD, min) | 6.9±4.1 | 15.8±10.4 | < 0.01 |
| Complication | |||
| Pneumothorax | 0 | 7 (15.6%) | |
| Pulmonary hemorrhage | 0 | 3 (6.7%) | |
| Chest pain | 0 | 12 (26.7%) | |
