Non-invasive prenatal test findings in 41,819 pregnant women: results from a clinical laboratory in southern China.

Liu S, Chang Q, Yang F, et al. Arch Gynecol Obstet. 2023;308(3):787-795. doi:10.1007/s00404-022-06908-3.

Tags: Clinical Experience / Clinical Utility, 2023, China, RAAs

  • “NIPT results were available for 41,819 cases; 691 positive cases were reported. The overall sensitivity for detection of T21, T18, T13, SCA, and RCA [rare chromosome aneuploidies] was 99.21, 100.00, 100.00, 98.55, and 100.00%, and the specificity was 99.95, 99.94, 99.98, 99.69, and 99.92%, respectively. The positive predictive values (PPVs) for detection of T21, T18, T13, SCA, and RCA were 85.62, 45.24, 40.00, 34.17, and 13.51%, respectively.”