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患者一般资料
General information of patients
| Variables | Data |
| Age (Mean±SD, yr) | 58.6±8.5 |
| Gender (n=45) | |
| Male | 19 (42.2%) |
| Female | 26 (57.8%) |
| Location of nodules (n=53) | |
| Left upper lobe | 16 (30.2%) |
| Left lower lobe | 7 (13.2%) |
| Right upper lobe | 18 (34.0%) |
| Right middle lobe | 2 (3.8%) |
| Right lower lobe | 10 (18.9%) |
| Smoking history (n=45) | |
| Yes | 17 (37.8%) |
| No | 28 (62.2%) |
| Diameter of nodules (Mean±SD, mm) | 8.9±3.4 |
| Distance from nodule to pleura (Mean±SD, mm) | 12.9±4.7 |
