External validation of the classifier. (a) Kaplan Meier curves for the GUYT2 dataset. The two survival curves were significantly different according to the log rank test (p = 0.03). (b) Forest plots of hazard ratios obtained from the three independent validation datasets.
Loi et al. BMC Genomics 2008 9:239 doi:10.1186/1471-2164-9-239