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Patient characteristics (N=61)
| Number of patients | 61 |
| Age (years) | |
| Median | 58 |
| Range | 25-82 |
| Sex | |
| Male | 40 (66%) |
| Female | 21 (34%) |
| Eastern Cooperative Oncology Group Performance Status | |
| 0 | 14 (23%) |
| 1 | 36 (59%) |
| 2 | 11 (18%) |
| Number of previous chemotherapy regimens | |
| 2 | 49 (80%) |
| 3 | 9 (15%) |
| 4 | 2 (3%) |
| Concomitant use of medication | |
| Antineoplastic agents (hydroxycarbamide) | 9 (15%) |
| Immunostimulants (granulocyte colony-stimulating factor) | 14 (23%) |
