The survival curves apparently separated at 18 months for median survival time (hazard ratio (HR) = 0.332; 95% confidence interval (CI), 0.103–1.070), but the differences between the two groups did not reach statistical significance in the log-rank test for overall survival ( P = 0.058).
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Impact of rechallenge with imatinib in patients with advanced gastrointestinal stromal tumor after failure of imatinib and sunitinib.
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0.0580
0.0580