Correction to “The effect of endometrial injury on pregnancy rate in frozen-thawed embryo transfer: A randomized control trial” [Int J Reprod BioMed 2016; 14: 453-458]

The authors of article entitled "The effect of endometrial injury on pregnancy rate in frozen-thawed embryo transfer: A randomized control trial " requested some corrections in their article due to re-analyze their data. The authors reviewed the data and confirmed the critical but inadvertent statistical analysis errors which had occurred during research. As the authors explain in their letter to the editor, the errors are listed as: The recruitment end date has been changed from January 2016 to December 2015. The Fisher exact test has been added in statistical analysis section. A typographical error has occurred in eligible woman which mistyped 210 instead of 120. Also, in the first group, 45 women were analyzed at the end, of which 48 were incorrectly stated. Some numbers in tables has been changed and statistical tests has been revised.