Table 1 Baseline demographic, clinical characteristics and the corresponding EGFR gene mutation ratio
Positive | Mutation type | Negative | Total | Mutation ratio | Pvalue | ||
|---|---|---|---|---|---|---|---|
19del | 21L858R | ||||||
17 | 12 | ||||||
Sex | 0.022 | ||||||
Male | 14 | 12 | 2 | 100 | 114 | 12.3% | |
Female | 14 | 5 | 10 | 35 | 49 | 28.6% | |
Degree of differentiation | 0.651 | ||||||
Well | 10 | 6 | 4 | 49 | 59 | 16.7% | |
Moderately | 8 | 2 | 6 | 48 | 56 | 14.3% | |
Poorly | 10 | 9 | 2 | 38 | 48 | 20.8% | |
Age | 0.730 | ||||||
30-49 years | 2 | 2 | 0 | 9 | 11 | 26.2% | |
50-69 years | 23 | 13 | 11 | 100 | 123 | 11.5% | |
≥70 years | 3 | 2 | 1 | 26 | 29 | 12.5% | |
Smoking status | 0.049 | ||||||
Non-smoking | 16 | 10 | 6 | 45 | 61 | 26.2% | |
Smoking | 9 | 5 | 5 | 69 | 78 | 11.5% | |
Unknown | 3 | 2 | 1 | 21 | 24 | 12.5% | |