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Patient characteristics (n=48).
| Characteristics | No. of patients (%) |
|---|---|
| Age, years | |
| ≥60 | 20 (41.7) |
| <60 | 28 (58.3) |
| Gender | |
| Male | 18 (37.5) |
| Female | 30 (62.5) |
| Cancer history | |
| Yes | 12 (25.0) |
| No | 36 (75.0) |
| Smoking history | |
| Smoker | 15 (31.3) |
| Non-smoker | 33 (68.7) |
