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| Characteristic | Benign, n (%) | Malignant, n (%) |
|---|---|---|
| Number of patients | 15 (27.3) | 40 (72.7) |
| Age (mean ± SD) | 58.0±9.1 | 64.2±11.1 |
| Gender | ||
| Male | 14 (25.5) | 31 (56.4) |
| Female | 1 (1.8) | 9 (16.4) |
| Smoking history | ||
| Yes | 15 (27.3) | 35 (63.6) |
| No | 0 | 5 (9.1) |
SPN, solitary pulmonary nodule; SD, standard deviation.
