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Table 2 Concordance between serum and MLPT resultsa: % (n)

From: Results of a pilot study in the U.S. and Vietnam to assess the utility and acceptability of a multi-level pregnancy test (MLPT) for home monitoring of hCG trends after assisted reproduction

  Serum showed steady or increase in hCGb and at least 25 mIU/ml Serum showed hCG < 25 or decrease in hCGb
MLPT showed steady or increase in hCGb and at least 25 mIU/ml (n = 106) 99.1 (105) 0.9 (1)
MLPT showed hCG < 25 or decrease in hCGb (n = 50) 10.0 (5) 90.0 (45)
  1. aThere were 6 MLPTs with no serum test with which to compare,14 serum tests with no MLPT with which to compare, and 3 inconclusive MLPTs
  2. bAs compared to previous test. For the first test, we compared to an assumed 0 hCG level pre-ART
  3. Kappa = 0.91 (95% CI: 0.84–0.98)