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Table 1 Comparison between serum zinc and copper levels in cord and maternal blood of preterm and full-term neonates

From: Cord levels of zinc and copper in relation to maternal serum levels in different gestational ages

Variable (μg/ml) Preterm (40) Full term (35) T-test P-value
Mean ± SD Mean ± SD
Cord zinc 0.73 0.13 0.88 0.18 4.053 < 0.001
Maternal zinc 0.96 0.15 1.09 0.15 3.644 < 0.001
Cord copper 0.75 0.28 1.37 0.26 9.899 0.000
Maternal copper 1.40 0.33 1.69 0.39 3.491 0.001