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Clinical characteristics
| All (N=15) | High amp (N=7) | Low amp (N=8) | |
|---|---|---|---|
| Age | |||
| Median | 66 | 67 | 66 |
| Range | 48–72 | 48–73 | 55–72 |
| Sex | |||
| Female | 6 (40%) | 4 (57%) | 2 (25%) |
| Race | |||
| White | 11 (73%) | 7 (100%) | 4 (50%) |
| WHO performance status | |||
| Restricted activity | 10 (67%) | 4 (57%) | 6 (75%) |
| Prior lines of therapy | |||
| Median (range) | 3 (1–7) | 2 (1–5) | 3 (2–7) |
| Prior treatment with first-line platinum doublet | 100% | 100% | 100% |
| Histology | |||
| Squamous cell carcinoma | 100% | 100% | 100% |
