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Table 2 Correlations between parameters (Pearson’s correlation coefficients)

From: Kidney cadmium levels and associations with urinary calcium and bone mineral density: a cross-sectional study in Sweden

 

K-Cd (μg/g ww)

Age

Sex

Weight

Menopause

S-Ca, ionized (mmol/l)

24-h urinary flow rate (ml/h)

Overnight urinary flow rate (ml/h)

S-25(OH)D3 (ng/ml)

24-h U-Ca (mmol/h)

24-h U-Ca (mmol/mmol creatinine)

ON U-Ca (mmol/h)

ON U-Ca (mmol/mmol creatinine)

K-Cd, μg/g ww

 

0.28**

0.24*

-0.27**

0.33**

0.06

-0.09

0.09

0.14

-0.06

0.27*

0.05

0.27**

Age

0.33**

 

-0.10

-0.009

0.44**

-0.22*

-0.29**

0.08

0.13

0.006

0.25*

0.14

0.23*

Sex

   

-0.57**

0.49**

0.06

0.07

-0.12

0.09

-0.41**

0.16

-0.27**

0.15

Weight

-0.10

0.04

  

-0.32**

0.15

-0.09

0.06

-0.22*

0.23*

-0.30**

0.17

-0.25*

Menopause

0.31*

0.77**

 

-0.08

 

-0.13

-0.13

-0.03

0.08

-0.14

0.29**

0.05

0.34**

S-Ca, ionized, mmol/l

0.17

-0.15

 

0.21

-0.22

 

0.05

0.12

-0.06

0.21

0.30**

0.22*

0.26**

24-h urinary flow rate, ml/h

-0.02

-0.25

 

-0.01

-0.23

0.06

 

0.43**

0.13

-0.01

-0.06

-0.06

-0.07

Overnight urinary flow rate, ml/h

0.25

-0.04

 

-0.11

0.05

0.15

0.52**

 

0.02

0.005

0.06

0.30**

0.16

S-25(OH)D3, ng/ml

0.07

0.05

 

-0.08

0.05

-0.003

0.19

0.08

 

-0.22

-0.11

-0.01

0.08

24-h U-Ca, mmol/h

0.29*

0.19

 

-0.10

0.17

0.24

0.11

0.08

-0.07

 

0.62**

0.63**

0.46**

24-h U-Ca, mmol/mmol creatinine

0.35*

0.36*

 

-0.26

0.28

0.31*

-0.03

0.14

-0.07

0.82**

 

0.47**

0.72**

ON U-Ca, mmol/h

0.37**

0.25

 

-0.19

0.33*

0.19

0.04

0.31*

0.25

0.56**

0.57**

 

0.77**

ON U-Ca, mmol/mmol creatinine

0.37**

0.29*

 

-0.27*

0.36**

0.25

-0.03

0.21

0.22

0.57**

0.70**

0.91**

 
  1. Upper right triangular part of the table: all (bold). Lower left: women.
  2. ON = overnight sample. Menopause assumed for women aged >51 years. *p <0.05, **p <0.01.