Table 2. Accuracy of CT in the detection of peritoneal deposits (n = 38).

Site of deposit or thickening	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
Peritoneal deposits
Right hypochondrium	73.9	93.3	94.4	70.0	81.5
Right lumbar	75	96.7	85.7	93.7	92.1
Right iliac	58.3	92.3	77.8	82.8	81.5
Epigastrium	88.9	96.6	88.9	96.6	94.7
Umbilical	33.3	93.8	50.0	88.2	84.2
Hypogastrium and pelvis	80	88.9	88.9	80.0	84.2
Left hypochondrium	61.5	92.0	80.0	82.1	81.6
Left lumbar	33.3	97.1	50.0	94.4	92.2
Left iliac	50	96.7	80.0	87.9	86.8
Peritoneal thickening/enhancement
Right hypochondrium	76.2	94.1	94.1	76.2	84.2
Right lumbar	50	91.2	40.0	93.9	86.8
Right iliac	66.7	93.1	66.7	94.3	86.8
Epigastrium	83.3	90.6	62.5	96.7	89.4
Umbilical	40.0	93.9	50.0	91.2	86.8
Hypogastrium and pelvis	83.3	95.0	93.8	86.4	89.4
Left hypochondrium	63.6	92.6	77.8	86.2	84.2
Left lumbar	50.0	97.1	66.7	94.3	92.1
Left iliac	33.3	90.6	40.0	87.9	81.6

PPV, positive predictive value; NPV, negative predictive value.