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患者基线特征
Basic characteristics of all patients
| Characteristics | n | Proportion (%) |
| EGFR: epidermal growth factor receptor; CNS: central nervous system. | ||
| Total | 45 | |
| Gender | ||
| Male | 16 | 35.6 |
| Famle | 29 | 64.4 |
| Age | ||
| Median | 56.9 | |
| Range | 39-79 | |
| Histological type | ||
| Adenocarcinoma | 45 | 100 |
| EGFR mutation | ||
| Exon-19 | 2 | 4.4 |
| L858R | 3 | 6.7 |
| Unknown | 40 | 88.9 |
| Solitary progression | ||
| CNS | 23 | 51 |
| Lymph node | 8 | |
| Bone | 6 | |
| Adrenal gland | 5 | |
| Liver | 3 | |
