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Baseline Characteristics of the Study Participants
| Characteristics | No. | Percentage |
|---|---|---|
| Age | 62.2 (range:18–82) | |
| Sex | ||
| Male | 42 | 62.7% |
| Female | 25 | 37.3% |
| Primary tumor | ||
| Lung cancer | 16 | 23.9% |
| Esophageal cancer | 12 | 17.9% |
| Breast cancer | 10 | 14.9% |
| Stomach cancer | 9 | 13.4% |
| Colorectal cancer | 9 | 13.4% |
| Ovarian cancer | 5 | 7.5% |
| Cervical cancer | 3 | 4.5% |
| Liver cancer | 3 | 4.5% |
