Table 1.

The blood boron (B) concentrations reported in the epidemiological studies conducted in China and Turkey

Blood B concentrations (ppb) reported in the epidemiological study conducted in China
Member	Control		Community comparison	Exposed
Xing, 2008 (sampled in 2003)	22.1 ± 6.7 (14.0–33.2)		-	204.8 ± 356.8 (27.1–2003.5)
Xing, 2008 (sampled in 2004)	48.0 ± 23.9 (8.2–113.0)		96.5 ± 90.8 (3.3–536)	499.2 ± 790.6 (20.4–3568.9)
Blood B concentrations (ng/g) reported in the epidemiological study conducted in Turkey
	Control	Low exposure	Medium exposure	High exposure
Duydu, 2011	<48.5	72.94 ± 15.43 (48.46–99.91)	121.68 ± 15.62 (100.51–146.07)	223.89 ± 69.49 (152.82–454.02)

Mean ± SD, range in parenthesis. Community comparison are not working in the B industry but living in the B reach area.