. 2018 Feb 15;25(12):11940–11947. doi: 10.1007/s11356-018-1447-y

Table 4.

Spearman’s rank correlation and nonparametric bootstrap confidence intervals between the sum of 3,3’,4,4’-TeCB(#77) and the representative dioxin-like PCBs and total PCDD/F

	Spearman’s ρ	95% CI
Maternal blood	0.74	0.53–0.86
Cord blood	0.73	0.46–0.86
Cord tissue	0.68	0.39–0.82
Cord tissue^a	0.73	0.46–0.85

^a With additional higher chlorinated dioxin-like PCBs