Gender gap in articles published in European Radiology and CardioVascular and Interventional Radiology: evolution between 2002 and 2016.

• There was a significant increase in female authorship in original diagnostic but not interventional imaging research articles between 2002 and 2016. • There is a strong influence of the radiological subspecialty on the percentage of female authors. • Women are significantly more frequently first authors when the last author is a woman.