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Table 2 Urinary creatinine-corrected concentrations of the four PAH metabolites in mothers (n = 263 (μg/g Cr))

From: Maternal urinary 2-hydroxynaphthalene and birth outcomes in Taiyuan, China

Exposure metric P25 P50 P75 GM Range
2-OH NAP 4.03 6.34 9.41 5.89 0.59–91.02
2-OH FLU 2.23 3.47 5.40 3.34 0.35–23.56
9-OH PHE 1.46 2.88 4.68 2.62 0.35–26.24
1-OH PYR 0.90 1.83 3.03 1.60 0.18–14.42
Ʃ OH PAH 10.40 14.81 22.07 14.82 2.83–104.22
  1. Ʃ OH PAH: the sum of four metabolites of PAH