Table 2.

Cut-off values for a positive CT scan, using the CT scan scoring parameters of Vlijm et al

Item	Positive/negative
Peritoneal thickening
Peritoneal calcification
Peritoneal enhancement
Adhesions of bowel loops
Signs of bowel obstruction
Fluid loculation/septation

Notes: Every item is scored as positive or negative. Three of six items are required for a contrast-enhanced CT scan, and two of five items when no contrast enhancement is used. Cut-off values for a positive CT scan, using the CT scan scoring parameters of Vlijm et al.29

Abbreviation: CT, computed tomography.