. 2016 Jun 13;89(7):1077–1085. doi: 10.1007/s00420-016-1144-4

Table 6.

Normalized cytokine levels obtained from subchronically and chronically lead-exposed groups showed as a median and interquartile range (IQR), p value–Mann–Whitney U test

	Subchronic exposure N = 34		Chronic exposure N = 52		p value
	Median^a	IQR	Median^b	IQR	p value
IL-8 (%)	134	80–229	140	114–157	0.980
Eotaxin (%)	114	66–138	125	87–168	0.180
IP-10 (%)	140	83–189	72	55–100	<0.001
MCP-1 (%)	83	32–148	105	79–176	0.007
MIP-1β (%)	120	96–181	89	70–114	<0.001
RANTES (%)	95	95–101	96	91–101	0.660

^aMedian of the values of cytokine levels measured in workers after subchronic exposure to lead that were normalized to the median of the values obtained before exposure

^bMedian of the values of cytokine levels measured in chronically lead-exposed workers that were normalized to the median of the values obtained from the control group