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. 2023 Oct 26;22:74. doi: 10.1186/s12940-023-01026-2

Table 2.

Urinary fluoride concentrations by trimester

Fluoride Concentrations Arithmetic Mean SD Median SE IQR 5th percentile 95th percentile
MUF First Trimester (N = 293) 0.72 0.53 0.59 0.03 0.55 0.19 1.67
MUF Third Trimester (N = 490) 0.75 0.50 0.63 0.02 0.58 0.20 1.78
MUFsg First Trimester (N = 293) 0.81 0.54 0.65 0.03 0.50 0.28 1.85
MUFsg Third Trimester (N = 490) 0.92 0.61 0.80 0.03 0.59 0.34 1.89

All but 1 participant with first trimester MUF had 3rd trimester MUF, MUF maternal urinary fluoride, MUFsg specific-gravity adjusted maternal urinary fluoride, SD Standard Deviation, SE Standard Error