adjusted risk of tris.21
NT 1:5383
biochemistry >1:20000
combine risk
nt & biochemistry >1:20000
background risk of trisomy 13+18 1:1875
adjusted risk of tris. 13+18
nt 1:8879
biochemistry >1:40000
combine risk >1:40000
estimation:
the resulting overal risks for a child trisomy 21 or trisomy 13+18 are better than 1:500
using this ranges the DR for trisomy 21 is 93.4 % and for trisomy 13+18 the DR IS 86.4% (FPR 4.81%)
biochemistry >1:20000
combine risk
nt & biochemistry >1:20000
background risk of trisomy 13+18 1:1875
adjusted risk of tris. 13+18
nt 1:8879
biochemistry >1:40000
combine risk >1:40000
estimation:
the resulting overal risks for a child trisomy 21 or trisomy 13+18 are better than 1:500
using this ranges the DR for trisomy 21 is 93.4 % and for trisomy 13+18 the DR IS 86.4% (FPR 4.81%)