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. 2017 Oct 16;9(10):1125. doi: 10.3390/nu9101125

Figure 4.

Figure 4

Magnesium concentrations during the first week of life in healthy newborns without magnesium supplementation during pregnancy. * If 95% CIs were not reported in the study, then the 95% CIs were calculated as follows: mean ± (1.96 × SD). Patient groups within these studies were pooled, as the literature search did not confirm an association between magnesium levels and gestational age, birth weight, or mode of delivery. Reference line and 95% CI derived using only studies reporting both mean and SD data. Overall statistic for heterogeneity: I2 = 98.5% (p < 0.001). CI: confidence interval; n: number of infants; SD: standard deviation.