Table 2.

Positive predictive value and sensitivity of vascular injury diagnosis coding, by anatomical region

Region	PPV		Sensitivity
	%	95% CI*	%	95% CI*
All	95.0	92.3–96.8
Neck	97.4	91.0–99.3	98.7	92.9–99.8
Thorax	90.8	82.2–95.5	94.5	86.7–97.8
Abdomen	96.0	88.9–98.6	90.0	81.5–94.8
Upper extremity	97.3	90.8–99.3	97.3	90.8–99.3
Lower extrimity	93.4	85.5–97.2	95.9	88.7–98.6

CI = confidence interval; PPV = positive predictive value.

^*Calculated according to Centre for Evidence-based Medicine Toronto, Stat Calculator.¹¹