Clinical Study
The Frequency of Epidermal Growth Factor Receptor Mutation of Nonsmall Cell Lung Cancer according to the Underlying Pulmonary Diseases
Table 2
Patient characteristics and EGFR mutation status.
| | Number | EGFR mutation (, %) | -value |
| Gender | | | | Male | 112 | 17, 15.2% | | Female | 86 | 35, 40.7% | Age | | | | <65 | 80 | 23, 28.8% | | 65≤ | 118 | 29, 24.6% | Histology | | | | Adenocarcinoma | 169 | 50, 29.6% | | Nonadenocarcinoma | 29 | 2, 6.9% | Smoking status | | | | Never | 74 | 29, 39.2% | | Ex/Current | 124 | 23, 18.5% | Clinical stage of NSCLC | | | | I-IIIA | 63 | 21, 33.3% | | IIIB-IV | 135 | 31, 22.9% | Chest CT | | | | Normal | 122 | 43, 35.2% | | Emphysema | 59 | 8, 13.6% | Fibrosis | 17 | 1, 5.8% |
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