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Molecular analyses.
| Markers | Group Aa | Group Bb |
|---|---|---|
| EGFR | 25.8% (8/31) | 29.1% (16/55) |
| TS | 40% (4/10) | 30% (7/21) |
| EML4-ALK | 20% (2/10) | 9.5% (2/21) |
Pemetrexed-sensitive group (n=31).
Pemetrexed-resistant group (n=55);
EGFR, epithelial growth factor receptor; TS, thymidylate synthase; EML4-ALK, echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase. Data are presented as positive rate observed in the analysis (positive case number/total cases analyzed).
