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Table 1 Clinical characteristics

From: Expression and functional characterisation of System L amino acid transporters in the human term placenta

  Normal BMI (BMI < 25 kg/m2) High BMI (BMI ≥ 25 kg/m2) P-value (t-test)
Patients (N) 20 24 -
Age (yrs) 28.5 ± 1.3 27.4 ± 1.0 0.51
BMI (kg/m2) † 21.3 ± 0.4 32.8 ± 1.1 <0.0001
Weight gain (kg) 13.7 ± 4.5 11.4 ± 4.2 0.08
Ethnicity (% Hispanic) 70 % 83 % -
GA at delivery 39.4 ± 0.2 39.6 ± 0.2 0.45
Fetal sex (female/male) 11/9 11/13 -
Birth weight (g) 3373 ± 53 3680 ± 82 <0.01
SGA/AGA/LGA 0/20/0 0/17/7 -
Placental weight (g) 677 ± 26 798 ± 32 <0.01
Placental efficiency †† 5.1 ± 0.2 4.7 ± 0.1 0.08
  1. Data is presented as mean ± SEM. GA, gestational age. † BMI, pre/early pregnancy body mass index (gestational age <20 weeks); †† Placental efficiency is calculated as the ratio between birth weight and placental weight