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Table 4 Comparison of Cobas® and ddPCR for T790M detection in paired blood samples

From: The T790M resistance mutation in EGFR is only found in cfDNA from erlotinib-treated NSCLC patients that harbored an activating EGFR mutation before treatment

  Cobas® EGFR Mutation Test v2  
ddPCR No T790M T790M Total
No T790M 26 0 26
T790M 0 6 6
Total 26 6 32
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