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患者基线特征
Basic characteristics of all patients
| n | % | |
| EGFR: epidermal growth factor receptor. | ||
| Total | 18 | |
| Gender | ||
| Male | 7 | 38.9 |
| Female | 11 | 61.1 |
| Age (yr) | ||
| Median | 50.5 | |
| Range | 37-64 | |
| Smoking history | ||
| Never | 14 | 77.8 |
| Ex-smoker | 1 | 5.6 |
| Current | 2 | 11.2 |
| Unknown | 1 | 5.6 |
| Histological type | ||
| Adenocarcinoma | 18 | 100 |
| EGFR mutation | ||
| Exon-19 | 1 | 5.6 |
| L858R | 0 | 0 |
| Unknown | 17 | 94.4 |
