Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Diagnostic accuracy of prenatal ultrasound (US) and prenatal MRI of fetal congenital anomalies

From: Added value of fetal MRI as a complementary method to antenatal ultrasound in the assessment of non-CNS fetal congenital anomalies

		Pathology				Sensitivity 95% CI	Specificity 95% CI	PPV 95% CI	NPV 95% CI	Accuracy 95% CI	P value
		Positive (n = 30)		Negative (n = 0)
		No	%	No	%
Total sample (n = 30)	The prenatal US					76% (0.56, 0.82)	0% (0.0, 1.0)	100% (0.91, 1.0)	0% (0.0, 0.21)	76% (0.56, 0.82)	< 0.0001*
	Positive	23	76.6	0	0
	Negative	7	23.2	0	0
	Prenatal MRI					96.6% (0.82, 0.98)	0% (0.0, 1.0)	100% (0.93, 1.0)	0% (0.0, 0.60)	96.6% (0.82, 0.98)	0.04*
	Positive	29	96.5	0	0
	Negative	1	3.3	0	0
	Combined MRI/US					100% (0.93, 1.0)	0% (0.0, 1.0)	100% (0.93, 1.0)	0% (0.0, 0.60)	100% (0.93, 1.0)	–
	Positive	30	100	0	0
	Negative	0	0	0	0

Values in parentheses are 95% CI. Diagnostic accuracy of each technique compared using McNemar’s test with p < 0.05

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