Figure 6From: Comparison of imputation methods for handling missing covariate data when fitting a Cox proportional hazards model: a resampling study Model performance measures after applying different missing data methods to increasing percentages of MAR missingness a) Nagelkerke R 2 statistic, b) Prognostic separation D statistic and c d) Predicted 2 and 5 year survival from Cox model, respectively.Back to article page