BMC Medical Imaging

Table 3 Sensitivity, Specificity and predictive values when CT compared to US as reference standard^a

From: Abdominal ultrasound-scanning versus non-contrast computed tomography as screening method for abdominal aortic aneurysm – a validation study from the randomized DANCAVAS study

	SENSITIVITY	95% CI	SPECIFICITY	95% CI	PV+	95% CI	PV-	95% CI
AP	0.8261	0.61;0.95	0.9841	0.97;0.99	0.7037	0.5;0.86	0.9920	0.98;0.99
TRANS	0.8889	0.65;0.99	0.9765	0.96;0.99	0.5714	0.37;0.76	0.9960	0.99;0.99
AAA	0.8750	0.68;0.97	0.9821	0.97;0.99	0.7000	0.51;0.85	0.9940	0.98;0.99

^aAP : Cases are participants with a anterior posterior mesurement of >30 mm
TRANS: Cases are participants with a transverse measurement of >30 mm
AAA: Cases are particpants with measurement in any plane of >30 mm

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ISSN: 1471-2342

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