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Correlation of EGFR mutation status between tissue and plasma samples before EGFR-TKI treatment.
| Pretreatment plasma: P0 | Total | ||
|---|---|---|---|
| Positive | Negative | ||
| Pretreatment tissue | |||
| Positive | 19 | 5 | 24 |
| Negative | 0 | 6 | 6 |
|
| |||
| Total | 19 | 11 | 30 |
Sensitivity, 79.2%; specificity, 100%.
