Estimation of the benchmark dose of urinary cadmium as the reference level for renal dysfunction: a large sample study in five cadmium polluted areas in China

Table 3 The BMDL estimates of the UCd for Uβ₂-MG in the different regions and all regions

Area	Sex	AIC	Chi-squared	p-value	BMD₁₀ (μg/g cr)	BMDL₁₀ (μg/g cr)
Gansu	Male	682.0	0.23	0.63	3.32	2.11
Hubei		914.0	3.21	0.07	2.01	1.13
Guizhou		518.5	0.13	0.72	6.56	3.66
Guangdong		386.2	3.4	0.18	3.66	2.02
Yunnan		591.3	0.04	0.98	2.33	1.10
All areas		3241.6	0.96	0.62	2.28	2.00
Gansu	Female	911.1	3.41	0.06	2.95	1.59*
Hubei		1042.6	4.28	0.12	1.16	1.00
Guizhou		774.6	3.58	0.17	2.25	1.94
Guangdong		474.8	2.15	0.14	3.20	1.37
Yunnan		774.8	1.08	0.30	2.23	1.33
All areas		4046.0	4.33	0.12	1.87	1.69

Notes: Confidence Level: 95 %, BMR: 10 %. ^aThe BMDL value was calculated based on the Log-Logistic model. The BMD₁₀ (BMDL₁₀) is the BMD (BMDL) corresponding to a 10 % additional risk

ISSN: 1471-2458