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Performance of maternal age and various second trimester maternal serum combinations in screening for Down syndrome
Performance of maternal age and various second trimester maternal serum combinations in screening for Down syndrome
The bar graphs describe the detection rate attained at a fixed 5% false-positive rate for each of the screening tests.
Data adapted from: Wald NJ, Kennard A, Hackshaw A, et al. J Med Screen 1997; 4:181.
Graphic 57445 Version 3.0