Table 1.
NCSLC patients EGFR mutation rate and clinical information analysis by ARMS-PCR
| Overall patients | Case(n) | EGFR | Positive rate (%) | χ2 | P | |
|---|---|---|---|---|---|---|
| Mutated type | Wild type | |||||
| Sex | ||||||
| Male | 2042 | 679 | 1363 | 33.3 | 379.833 | 0.00 |
| Female | 1623 | 1065 | 558 | 65.6 | ||
| Age | ||||||
| < 45 | 200 | 91 | 109 | 45.5 | 14.302 | 0.005 |
| 45 ~ 59 | 1200 | 611 | 589 | 50.9 | ||
| 60 ~ 74 | 1813 | 852 | 961 | 47.0 | ||
| 75 ~ 89 | 447 | 186 | 261 | 41.6 | ||
| > 90 | 5 | 4 | 1 | 80.0 | ||
| Sample type | ||||||
| Tumor tissue | 2118 | 1032 | 1086 | 48.7 | 26.166 | 0.00 |
| Metastatic tissue | 260 | 126 | 134 | 48.5 | ||
| Cytology | 1078 | 522 | 556 | 48.4 | ||
| Sputum | 139 | 40 | 99 | 28.8 | ||
| Blood | 70 | 24 | 46 | 34.3 | ||