Table 2. Stratification of age with respect to MDCT findings and peroperative findings (n=147).

MDCT: multi-detector computed tomography; TP: true positive; FP: false positive; FN: false negative; TN: true negative; PPV: positive predictive value; NPV: negative predictive value

Variables	Positive result on operative findings	Negative result on operative findings	p-Value	Positive result on operative findings	Negative result on operative findings	p-Value
	Age between 18 and 45 years			Age between 46 and 70 years
Positive result on MDCT	44 (95.65%)	03 (50.0%)	0.0003	78 (100%)	5 (41.67%)	<0.0001
Negative result on MDCT	02 (4.35%)	03 (50.0%)		-	12 (58.33%)
Sensitivity	95.65%			100.0%
Specificity	50.0%			70.59%
PPV	93.62			93.98%
NPV	60.0%			100%
Diagnostic accuracy	90.38%			94.74%