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. 2004 Nov 16;91(12):2018–2025. doi: 10.1038/sj.bjc.6602233

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Copyright © 2004 Cancer Research UK

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Results of the meta-analysis with all NSCLC studies. A hazard ratio (HR)>1 implies a worse survival for the group with no increased Ki-67 expression. The square size is proportional to the number of patients included in each study. The centre of the lozenge gives the combined HR for the meta-analysis and its extremities the 95% confidence interval.