... However, it should be noted that only a limited number of factors were universally validated in more than three studies. These included older age [1,2,7,8,26,31,44,45,47,51,56,60,65,70,90], male gender [1, 2, 7, 8, 11, 29, 34, 35, 43-45, 47, 51, 54-56, 60, 62, 64, 65, 67, 68, 71, 75, 81-83, 85, 87, 89, 90, 93, 94], poor performance in examinations [47,63,73], low scores [63,73,77,85], specific specialties (surgery [1,8,11,34,65,68,70,71,81,85,90,91], obstetricsgynaecology [1,7,8,47,60,62,65,70,81,90], and general practice [1,11,12,35,60,62,68,89,93]), the professions of family practitioners [47,60,62], longer practice time [27,32,34,47,48,52,59,62,64,66,78], one or more previous claims history [1,7,8,31,36,67,71,83,95], not being board certified [60][61][62], greater patient volume/clinical activity [31,32,49,50,52,67,71], working longer hours [47,81,82], and solo practice [35,47,64,68]. ...