In the article “BRAFV600E Immunopositive Melanomas Show Low Frequency of Heterogeneity and Association With Epithelioid Tumor Cells: A STROBE-Compliant Article”,1 which appeared in Volume 93, Issue 28 of Medicine, several corrections have been made to Tables 2 and 4.
In addition, the sentence “The Pearson's chi-square (χ2) test was used to see if there is a correlation between BRAF mutation status as determined by pyrosequencing and VE1 expression” should have read “The Cohen's kappa (k) coefficient was used to see if there is a correlation between BRAF mutation status as determined by pyrosequencing and VE1 expression” in the Statistical Analyses section.
A k coefficient value has also been added to the Results section.
The article has since been corrected online.
1. Verlinden I, van den Hurk K, Clarijs R, et al. BRAFV600E
immunopositive melanomas show low frequency of heterogeneity and association with epithelioid tumor cells: A STROBE-compliant article. Medicine