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Table 1 Based on a literature review (Additional file 1: Table S1) here numbers of NIPT-positive cases tested for the five indications trisomy 13, 18 and 21, SCAs and RATs are given together with false-positive and false-negative case-numbers

From: False-positives and false-negatives in non-invasive prenatal testing (NIPT): what can we learn from a meta-analyses on > 750,000 tests?

Indication Tested overall +91.63% of overall tested Positive tested and checked False positive False negative
a
all 5 indications tested 41,472 38,001 460+ 217 3
b
T13 721,157 639,378 687 304 13
T18 730,253 647,442 1447 268 30
T21 752,979 667,591 5283 517 31
SCAs 300,894 266,773 1192 661 1
RATs 158,395 140,433 342 289 0
all n.a. n.a. 8951* 2039 75
  1. *All positive tested = 10,096 = 1.314%; +checked positive NIPT cases: 88.66%