NIPT False Positive Risk
What's the chance a 'high-risk' NIPT result is actually a false positive?
PPV (base)
58.25%
Adjusted prevalence
0.140%
PPV (age-adjusted)
58.25%
P(false positive | positive)
41.75%
Verdict
Strong likelihood — follow up per ACOG guidance.
关于此工具
Compute the Positive Predictive Value from sensitivity, specificity, and prevalence (with age adjustment). Targets r/BabyBumps 'false positive rate of NIPT' thread.
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