Extracerebral metastases determine the outcome of patients with brain metastases from renal cell carcinoma.

BMC Cancer · 2010 · PMC2942853 · PMID 20819239

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did not reach statistical significanceno p-value reported

Moreover, differences in PFS and OS did not reach statistical significance due to the small number of patients.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.