Table VIII.
Characteristics and EGFR gene mutation rate of patients with squamous cell carcinoma.
| EGFR gene mutation, n | ||||||||
|---|---|---|---|---|---|---|---|---|
| Characteristic | 19Del | L858R | 19Del + L858R | 19Del - T790M | 20Ins | Total | Detected number | Mutation rate, % |
| Sex | ||||||||
| Male | 5 | 5 | 0 | 0 | 0 | 10 | 187 | 5.35a |
| Female | 2 | 5 | 0 | 0 | 2 | 9 | 32 | 28.13 |
| Age, years | ||||||||
| <60 | 2 | 2 | 0 | 0 | 0 | 4 | 59 | 6.78b |
| ≥60 | 5 | 8 | 0 | 0 | 2 | 15 | 160 | 9.38 |
| Total | 7 | 10 | 0 | 0 | 2 | 19 | 219 | 8.68 |
a
χ2=17.892, P<0.001 vs. female patients
b
χ2=0.381, P=0.787 vs. ≥60. EGFR, epidermal growth factor receptor; Del, deletion; Ins, insertion.