Study	Definition of incisional hernia
Baucom et al. [21]	‘…any fascial defect within 7 cm of an incision made at the time of the cancer operation’
Beck et al. [7]	‘Full-thickness defect in the abdominal wall fascia or lateral muscular […] in the region of a previous incision’
Bloemen et al. [4]	‘Any abdominal wall gap with or without a bulge in the area of a post-operative scar, palpable or perceptible by clinical examination or imaging’
Caro-Tarango et al. [11]	‘…a palpable hernial protrusion under the laparotomy scar when Valsalva manoeuvres were carried out in the supine decubitus position and/or in the bipedestacion posture’
Claes et al. [12]	‘An abnormal protrusion of the contents of the abdominal cavity or of pre-peritoneal fat through a defect or weakness in the abdominal wall at the site of the surgical scar’
Deerenberg et al. [2]	‘any abdominal wall gap with or without bulge in the area of a post-operative scar perceptible or palpable by clinical examination or imaging’
Højer et al. [22]	‘…a peritoneal sac that protrudes through a weakness or defect in the muscular and fascial layers of the abdomen’