The image for S6 Fig is incorrect. Please view the correct S6 Fig below.
Meta-Analysis of Cognition of Advanced Statistical Methods (Survival Analysis, Discriminant Analysis, Clustering Analysis and PCA & FA) in Medical Statistics.
(I-squared and P were the heterogeneity test criteria; ◇pooled cognition rate;—■—, cognition rate and 95% confidence interval).(TIF)Click here for additional data file.