. 2015 Sep 24;12(10):11988–12001. doi: 10.3390/ijerph121011988

Table 2.

Spearman’s rank correlation based on Cr-corrected data.

Variables	Cd	NAG	ALP	GGT	α₁-MG	β₂-MG	MT	KIM-1	RBP	AB
Age	−0.194 ^b	0.115	−0.187 ^§	−0.076	0.381 ^†	0.051	−0.176 ^§	0.183 ^§	−0.128	−0.03
YOR	0.074	0.132	0.106	−0.087	0.200 ^‡	0.172 ^§	0.173 ^§	0.091	0.166 ^§	0.148 ^§
BMI	−0.221 ^b	0.089	−0.191 ^‡	0.026	0.081	−0.05	−0.116	−0.007	−0.065	0.079
U-cre	−0.092	−0.412 ^†	−0.041	0.021	−0.214 ^‡	−0.219 ^‡	−0.399 ^†	−0.970 ^†	−0.437 ^†	0.189 ^§
Cd *	1	0.314 ^†	0.416 ^†	−0.113	−0.017	0.145 ^§	0.321 ^†	0.137	0.345 ^†	0.075
NAG *		1	0.396 ^†	0.11	0.356 ^†	0.365 ^†	0.279 ^†	0.429 ^†	0.345 ^†	0.284 ^†
ALP *			1	0.145 ^§	0.028	0.347 ^†	0.318 ^†	0.08	0.371 ^†	0.311 ^†
GGT *				1	−0.102	−0.085	−0.161 ^§	−0.041	−0.082	0.172 ^§
α₁-MG *					1	0.280 ^†	0	0.187 ^§	0.051	0.357 ^†
β₂-MG *						1	0.237 ^‡	0.243 ^†	0.314 ^†	0.312 ^†
MT *							1	0.426 ^†	0.516 ^†	0.105
KIM-1 *								1	0.474 ^†	−0.160 ^§
RBP *									1	0.008
AB *										1

AB, albumin; ALP, alkaline phosphatase; BMI, body mass index; GGT, γ-glutamyl transpeptidase; KIM-1, kidney injury molecule-1; MT, metallothionein; NAG, N-acetyl-β-D-glucosaminidase; RBP, retinol binding protein; U-Cd, urinary cadmium; U-cre, urinary creatinine; YOR, years of residence; α₁-MG, α₁-microglobulin; β₂-MG, β₂-microglobulin. * Metals and biomarkers in urine were corrected for creatinine concentration; ^† p < 0.001; ^‡ p < 0.01; ^§ p < 0.05.