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Patient characteristics (n = 32)
| Patient characteristics | n (%) |
|---|---|
| Age | |
| Median age | 67 |
| Range | (51–87) |
| Gender | |
| Female | 22 (68.8) |
| Male | 10 (31.3) |
| Clinical stage | |
| Stage III | 3 (9.4) |
| Stage IV | 29 (90.6) |
| Smoking history | |
| Never | 16 (50.0) |
| Former | 13 (40.6) |
| Current | 3 (9.4) |
