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| Characteristic | No. | (%) |
|---|---|---|
| Total | 46 | (100) |
| Age – median (range) | 61 (35–79) | |
| Country | ||
| France | 21 | (46) |
| USA | 25 | (54) |
| Performance status | ||
| ECOG 0 | 30 | (65) |
| ECOG 1 | 15 | (33) |
| ECOG 2 | 1 | (2) |
| Sex | ||
| Male | 22 | (48) |
| Female | 24 | (52) |
| Ethnicity | ||
| Caucasian | 43 | (93) |
| African-American | 3 | (7) |
| Tumour size | ||
| ≥3.0 cm | 27 | (64) |
| <3.0 cm | 15 | (36) |
| Unknown | 4 | (—) |
| Lymph node | ||
| Negative | 13 | (30) |
| Positive | 30 | (70) |
| Unknown | 3 | (—) |
| Tumour stage | ||
| T1/T2 | 12 | (27) |
| T3/T4 | 32 | (73) |
| Unknown | 2 | (−) |
