Research Article

The Concentration of Micronutrients and Heavy Metals in Maternal Serum, Placenta, and Cord Blood: A Cross-Sectional Study in Preterm Birth

Table 1

Characteristics of subjects.

VariableTerm (n = 25)Preterm (n=26)p

Age (years)27.68 (6.47)24 (17 – 41)0.463
Body height (cm)153.44 (5.79)156.70 (4.81)0.034
BMI (kg/m2)21.75 (3.22)22.17 (4.65)0.707
UAC
 < 23.5 cm690.127
 ≥23.5 cm1917

BMI: body mass index, UAC: upper arm circumference.
Mann-Whitney test. Independent t-test. Chi-square test.