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. Author manuscript; available in PMC: 2015 Jun 23.
Published in final edited form as: J Thromb Haemost. 2013 Jul;11(7):1300–1309. doi: 10.1111/jth.12259

Table 2.

Comparison of patient groups with positive Nijmegen-Bethesda Units (NBU) <2.0 and positive Chromogenic Bethesda Units (CBU) results (concordant) or negative CBU results (discordant)

Concordant (Positive NBU and Positive CBU) Discordant (Positive NBU and Negative CBU)
Patients:
n 15 23
Previous inhibitor 12 (80%) 18 (78.3%)
Specimens:
n 20 31
Positive FLI 20 (100%) 13 (41.9%)
Positive DRVVT 0 4 (12.9%)
Non-time-dependent inhibition 3 (15%) 11 (35.5%)