Table 2.
Clinical and Molecular Characteristics
| Patient Characteristics | |
|---|---|
| N=155 | |
| Age | |
| Median | 57 |
| Range | 33-81 |
| Sex-n (%) | |
| Female | 100 (66) |
| Male | 55 (35) |
| Race-n (%) | |
| White | 113 (73) |
| Asian | 30 (19) |
| Black | 11 (7) |
| Other | 1 (1) |
| Smoking history-n (%) | |
| Never smoker | 107 (69) |
| Former smoker | 48 (31) |
| Current smoker | 0 |
| Median pack yr | 10 |
| Range | 0-96 |
| Pretreatment EGFR mutation- n (%) | |
| Exon 19 deletion | 103 (66) |
| Exon 21 L858R | 46 (30) |
| Exon 21 L861Q | 1 |
| Other/double mutations | |
| Exon 19 deletion + T790M | 1 |
| Exon 19 deletion + PIK3CA | 1 |
| Exon 21 L861Q and Exon 20 R776H | 1 |
| Exon 21 L833V and Exon 21 H835L | 1 |
| Exon 21 L858R and Exon 20 R776H | 1 |