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. 2012 Jan 12;106(4):646–650. doi: 10.1038/bjc.2011.589

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Copyright © 2012 Cancer Research UK

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Between-treatment (sunitinib vs IFN-α) percentage differences in predicted median (A) PFS and (B) OS as a function of baseline FKSI-15 scores. Abbreviations: PFS=progression-free survival; OS=overall survival; CI=confidence interval; FKSI-15=Functional Assessment of Cancer Therapy–Kidney Symptom Index–15 item. Note: a two-sided 95% CI for the between-treatment difference that does not contain 0 indicates that the difference in the treatment arms was statistically significant.