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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Prenat Diagn. 2012 Jun 21;32(9):912–914. doi: 10.1002/pd.3919

Table 1.

Change in maternal cell-free DNA by body mass index

% increase per BMI unit
Subjects Raw data1 BV corrected2
All 1.7 3.2
Lean (BMI<25) −2.8 −0.7
Obese (BMI>30) 1.5 2.6
1

Measured as genome equivalents per mL maternal plasma

2

Data corrected for blood volume using Lemmens et al. (2006) BMI: body mass index (kg/m2)