Table 2. CT scan imaging sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) to diagnose CFTR^-/- newborn piglets.

	Number of animals	Number of CFTR -/-	Sensitivity	Specificity	PPV	NPV
CT scan	93	18	94.4% (72.63–99.07)	89.33% (80.05–95.27)	68% (46.50–85.01)	98.53% (92.05–99.75)

^{95% confidence interval is indicated between brackets.}