Table 3.

Distribution of follicular fluid:serum ratios with analytes listed in ascending order by molecular weight (N = 62)

	Molecular weight	Mean	Selected Percentiles
			Min.	10th	25th	50th	75th	90th	95th	Max.
HCB	285	0.39	0.13	0.22	0.29	0.37	0.49	0.55	0.60	0.69
p,p'-DDE	318	0.32	0.03	0.18	0.24	0.32	0.41	0.46	0.49	0.55
PCB 118	326	0.32	0.06	0.18	0.22	0.30	0.39	0.46	0.48	1.38*
p,p'-DDT	355	0.22	0.02	0.11	0.14	0.22	0.27	0.32	0.36	0.47
PCB 138	361	0.31	0.04	0.17	0.24	0.30	0.37	0.43	0.51	0.99*
PCB 153	361	0.27	0.03	0.14	0.20	0.25	0.34	0.39	0.41	0.79*
PCB 180	395	0.25	0.02	0.12	0.18	0.25	0.31	0.40	0.41	0.94*
Oxychlordane	426	0.24	0.06	0.12	0.17	0.24	0.29	0.35	0.37	0.52
Trans-nonachlor	444	0.21	0.05	0.10	0.16	0.20	0.25	0.29	0.32	0.71*
Mirex	546	0.24	0.06	0.11	0.17	0.22	0.30	0.39	0.42	0.54
ΣPCB		0.27	0.06	0.14	0.19	0.26	0.33	0.38	0.42	0.97*

*One woman was consistently an outlier for high ff:serum ratio for PCBs and trans-nonachlor. This woman also had the highest ratio for oxychlordane.