Table 1.
The relationship between the clinical characteristic and EGFR mutation
| Characteristics | Number of patients | Number of mutations (+) | Rate (%) | P-value |
|---|---|---|---|---|
| Sex | ||||
| Male | 89 | 36 | 40.4 | 0.044 |
| Female | 103 | 57 | 55.3 | |
| Age, years | ||||
| ≤61.8 | 93 | 50 | 53.8 | 0.193 |
| >61.8 | 99 | 43 | 43.4 | |
| Smoking history | ||||
| Yes | 42 | 13 | 31.0 | 0.014 |
| No | 150 | 80 | 53.3 | |
| Performance status | ||||
| 0–1 | 112 | 61 | 54.5 | 0.057 |
| 2 | 80 | 32 | 40.0 | |
| Staging | ||||
| IIIB | 43 | 22 | 51.2 | 0.731 |
| IV | 149 | 71 | 47.7 | |
| HDL-C (mmol/L) | ||||
| ≤0.945 | 87 | 31 | 35.6 | 0.001 |
| >0.945 | 105 | 62 | 59.0 |
Abbreviations: EGFR, epidermal growth factor receptor; HDL-C, high-density lipoprotein cholesterol.