Table 7.
Logistic regression analysis of the association † between epidermal growth factor receptor (EGFR) gene mutation and clinicopathological features
| Variable | Odds ratio | 95% CI | P‐value |
|---|---|---|---|
| Female | 2.68 | 1.34–5.39 | 0.0056 |
| Adenocarcinoma | 18.4 | 4.32–78.4 | <0.0001 |
| Smoking history | |||
| <20 pack‐years | 2.52 | 1.25–5.08 | 0.0098 |
| Undetermined | 3.5 | 0.58–21.3 | 0.17 |
| P‐stage | |||
| I or II | 1.81 | 0.92–3.56 | 0.088 |
| Undetermined | 1.07 | 0.33–3.46 | 0.91 |
†
Subjects without information on smoking and P‐stage were assigned dummy variables, and lack of information was adjusted in a model. CI, confidence interval.