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Table 5 Iron physiological requirements by liner regression

From: Physiological requirements for iron in women of reproductive age assessed by the stable isotope tracer technique

group n age weight (kg) BMI (kg/m2) iron loss rate per year (%) iron physiological requirement (mg/d) iron physiological requirements adjusted by weight (μg.kg−1.d−1)
1 8 29.75 ± 5.20 76.23 ± 9.71 30.23 ± 3.26 21.16 ± 17.82 1.01 ± 0.66 14.60 ± 12.55
2 25 30.45 ± 4.67 60.49 ± 9.18 24.06 ± 3.92 23.20 ± 11.98 1.38 ± 0.70 23.01 ± 11.40
total 33 30.27 ± 4.76 64.31 ± 11.44 25.55 ± 4.59 22.71 ± 13.34 1.29 ± 0.70 20.98 ± 12.05
t −0.353 4.165 4.017 −0.372 −1.317 −1.777
P 0.726 0.000 0.000 0.712 0.198 0.085
  1. BMI body mass index