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Table 5 Analysis of maternal sulfate data and clinical parameters

From: Reference intervals for plasma sulfate and urinary sulfate excretion in pregnancy

Clinical parameter

Rhob

*p-Value

Maternal plasma sulfate 10-20 weeks gestation

Gestational age at recruitment

0.004

-

Gestational age at birth

0.016

-

Birth weight

0.156

-

Birth weight z-scorea

0.103

-

Gravidity

0.019

-

Parity

0.041

-

Vitamin supplement

-

-

Maternal plasma sulfate 30-37 weeks gestation

Gestational age at recruitment

0.140

-

Gestational age at birth

0.147

-

Birth weight

-0.047

-

Birth weight z-scorea

-0.126

-

Gravidity

0.097

-

Parity

0.151

-

Vitamin supplement

-

-

Maternal FEI sulfate 10-20 weeks gestation

  

Gestational age at recruitment

-0.082

-

Gestational age at birth

0.012

-

Birth weight

-0.088

-

Birth weight z-scorea

-0.043

 

Gravidity

-0.094

-

Parity

-0.013

-

Vitamin supplement

-

-

Maternal FEI sulfate 30-37 weeks gestation

Gestational age at recruitment

-0.037

-

Gestational age at birth

0.115

-

Birth weight

0.090

-

Birth weight z-scorea

0.003

-

Gravidity

-0.289

0.003

Parity

-0.281

0.004

Vitamin supplement

-

-

  1. aAdjusted for gestational age and gender.
  2. bRho: Spearman’s correlation coefficient.
  3. *Only values <0.05 are shown.