Table 2.

Diagnostic value of abdominopelvic CT scan with intravenous (IV) contrast alone and CT scan with oral and IV contrast., (95% CI).

Diagnostic method	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Likelihood ratios+	Likelihood ratios−
CT with oral and IV contrast	96.5 (90.73–99.92)	92.8 (89.65–94.88)	67.7 (57.29–76.68)	99.7 (98.36–99.98)	13.4 (9.56–18.88)	0.02 (0.002–0.114)
CT scan with IV contrast alone	96.6 (87.45–99.42)	92.8 (89.88–95.00)	65.2 (54.25–74.75)	99.5 (98.02–99.51)	13.5 (9.58–19.01)	0.1 (0.009–0.14)