1.
血清EGFR基因突变与患者临床特征关系[n(%)]
The relationship of EGFR mutation statuses in serum and clinical characteristics [n(%)]
| Characteristic | n | EGFR mutation status in serum | χ2 | P | |
| Positive (n=27) | Negative (n=53) | ||||
| Age (year) | 1.392 | 0.238 | |||
| < 65 | 43 | 17 (39.5) | 26 (60.5) | ||
| ≥65 | 37 | 10 (27.0) | 27 (73.0) | ||
| Gender | 4.684 | 0.030 | |||
| Male | 46 | 11(23.9) | 35 (76.1) | ||
| Female | 34 | 16 (47.1) | 18 (52.9) | ||
| Pathology | 5.490 | 0.019 | |||
| Adenocarcinoma | 58 | 24 (41.4) | 34 (58.6) | ||
| Non-adenocarcinoma | 22 | 3 (13.6) | 19 (86.4) | ||
| Smoking history | 4.109 | 0.043 | |||
| Ever | 48 | 12 (25.0) | 36 (75.0) | ||
| Never | 32 | 15 (46.9) | 17 (53.1) | ||
| TNM | 0.414 | 0.520 | |||
| Ⅲb | 15 | 4 (26.7) | 11 (73.3) | ||
| Ⅳ | 65 | 23 (35.4) | 42 (64.6) | ||
| ECOG PS | 0.747 | 0.388 | |||
| 0-1 | 38 | 11 (28.9) | 27 (71.1) | ||
| ≥2 | 42 | 16 (38.1) | 26 (61.9) | ||