Table 2.

Geometric mean with 95% confidence intervals and selected percentile concentrations of urinary PAH metabolite (μg/g creatinine)

PAH metabolite	GM (95% CI)	10th percentile	25th percentile	Median	75th percentile	90th percentile
2-Naphthol	2.62 (2.48–2.77)	0.87	1.31	2.28	4.64	10.21
2-Hydroxyfluorene	0.28 (0.27–0.29)	0.13	0.18	0.28	0.42	0.63
1-Hydroxyphenanthrene	0.13 (0.13–0.14)	0.06	0.09	0.13	0.21	0.30
1-Hydroxypyrene	0.19 (0.19–0.20)	0.09	0.14	0.20	0.29	0.43