Table 3.

Improvement of contrast enhanced CT ability to identify HVMI requiring surgical correction (perforation, ischemic injury, bleeding injury) with the increasing number of CT findings

	Sn	NPV	−LR (IC 95%)	Sp.	PPV	+ LR (IC 95%)	Accuracy
1 critierion	80%	97.6%	0.24 (0.042–1.43)	80.7%	28.5%	4.16 (2–8.4)	80.7%
2 criteria	72.2%	91.2%	0.32 (0.15–0.67)	86.6%	61.9%	5.4 (2.6–10.9)	83.3%
3 criteria	44.4%	76.1%	0.6 (0.39–0.91)	92.3%	61.9%	5.7 (2.1–15.5)	74.7%
≥ 4 criteria	45.8%	71.4%	0.55 (0.42–0.71)	98.5%	95.6%	30.5* (22.3–37.5)	76.3%

Most important results are indicated in bold