Clinical characteristics of patients with malignant melanoma (n=19)
| Characteristics | n |
| Median age, years (range) | 63 (29–84) |
| Sex | |
| Male | 12 |
| Female | 7 |
| Disease stage | |
| I | 6 |
| II | 3 |
| III | 8 |
| IV | 2 |
| Progress after blood withdrawal | |
| No | 11 |
| Yes | 4 |
| Unknown | 4 |
| pSTAT3 (in M-MDSC) classification | |
| High | 8 |
| Low | 7 |
| Stage distribution in ‘pSTAT3 high’ group | |
| I | 1 |
| II | 2 |
| III | 3 |
| IV | 2 |
| Stage distribution in ‘pSTAT3 low’ group | |
| I | 2 |
| II | 1 |
| III | 4 |
| IV | 0 |
| Progressive patients in pSTAT3 high group | |
| Progress | 4 |
| No progress | 4 |
| Progressive patients in pSTAT3 low group | |
| Progress | 0 |
| No progress | 7 |
M-MDSC, monocytic myeloid-derived suppressor cell.