Forest plot of EF (inhibition) RT (author/year/journal—CHD-type/EF measure). Forest plot of EF (inhibition) RT (author/year/journal—CHD-type/EF measure). EF, executive function; RT, reaction time; EF-test1, incongruent stroop; EF-test2, stroop; EF-test3, conflict (Attention Network Test); EF-test4, inhibition (Amsterdam Neuropsychological Tasks); TGA, d-transposition of the great arteries; VSD, ventricular septal defect; TOF, tetralogy of Fallot; CHD, congenital heart disease. Caroline Sterken et al. Open Heart 2015;2:e000255 ©2015 by British Cardiovascular Society