From: A new contingent screening strategy increased detection rate of trisomy 21 in the first trimester
Serum marker | Abnormal serum marker* | Trisomy 21** | OAPR | |||
---|---|---|---|---|---|---|
free β-hCG MoM | PAPP-A MoM | n | % | n | % | |
2.00 | 0.10 | 3,537 | 10.10 | 1 | 2.13 | 1:3,537 |
2.00 | 0.20 | 3,597 | 10.27 | 2 | 4.26 | 1:1,799 |
2.00 | 0.30 | 3,889 | 11.10 | 3 | 6.38 | 1:1,296 |
2.00 | 0.40 | 4,726 | 13.49 | 4 | 8.51 | 1:1,182 |
2.00 | 0.50 | 6,271 | 17.90 | 6 | 12.77 | 1:1,045 |
2.00 | 0.60 | 8,215 | 23.45 | 6 | 12.77 | 1:1,369 |
2.00 | 0.70 | 10,525 | 30.05 | 6 | 12.77 | 1:1,754 |
2.00 | 0.80 | 12,995 | 37.10 | 6 | 12.77 | 1:2,166 |
2.25 | 0.10 | 2,432 | 6.94 | 1 | 2.13 | 1:2,432 |
2.25 | 0.20 | 2,492 | 7.11 | 2 | 4.26 | 1:1,246 |
2.25 | 0.30 | 2,784 | 7.95 | 3 | 6.38 | 1:928 |
2.25 | 0.40 | 3,625 | 10.35 | 4 | 8.51 | 1:906 |
2.25 | 0.50 | 5,183 | 14.80 | 6 | 12.77 | 1:864 |
2.25 | 0.60 | 7,168 | 20.46 | 6 | 12.77 | 1:1,195 |
2.25 | 0.70 | 9,534 | 27.22 | 6 | 12.77 | 1:1,589 |
2.25 | 0.80 | 12,074 | 34.47 | 6 | 12.77 | 1:2,012 |
2.50 | 0.10 | 1,724 | 4.92 | 1 | 2.13 | 1:1,724 |
2.50 | 0.20 | 1,784 | 5.09 | 2 | 4.26 | 1:892 |
2.50 | 0.30 | 2,076 | 5.93 | 3 | 6.38 | 1:692 |
2.50 | 0.40 | 2,919 | 8.33 | 4 | 8.51 | 1:730 |
2.50 | 0.50 | 4,484 | 12.80 | 6 | 12.77 | 1:747 |
2.50 | 0.60 | 6,489 | 18.53 | 6 | 12.77 | 1:1,082 |
2.50 | 0.70 | 8,886 | 25.37 | 6 | 12.77 | 1:1,481 |
2.50 | 0.80 | 11,462 | 32.72 | 6 | 12.77 | 1:1,910 |
2.75 | 0.10 | 1,243 | 3.55 | 1 | 2.13 | 1:1,243 |
2.75 | 0.20 | 1,303 | 3.72 | 2 | 4.26 | 1:652 |
2.75 | 0.30 | 1,595 | 4.55 | 3 | 6.38 | 1:532 |
2.75 | 0.40 | 2,439 | 6.96 | 4 | 8.51 | 1:610 |
2.75 | 0.50 | 4,005 | 11.43 | 6 | 12.77 | 1:668 |
2.75 | 0.60 | 6,022 | 17.19 | 6 | 12.77 | 1:1,004 |
2.75 | 0.70 | 8,439 | 24.09 | 6 | 12.77 | 1:1,407 |
2.75 | 0.80 | 11,045 | 31.53 | 6 | 12.77 | 1:1,841 |
3.00 | 0.10 | 869 | 2.48 | 0 | 0.00 | - |
3.00 | 0.20 | 929 | 2.65 | 1 | 2.13 | 1:929 |
3.00 | 0.30 | 1,221 | 3.49 | 2 | 4.26 | 1:611 |
3.00 | 0.40 | 2,064 | 5.89 | 3 | 6.38 | 1:688 |
3.00 | 0.50 | 3,631 | 10.37 | 5 | 10.64 | 1:726 |
3.00 | 0.60 | 5,652 | 16.14 | 5 | 10.64 | 1:1,130 |
3.00 | 0.70 | 8,088 | 23.09 | 5 | 10.64 | 1:1,618 |
3.00 | 0.80 | 10,710 | 30.58 | 5 | 10.64 | 1:2,142 |