Skip to main content

Table 2 The prevalence of renal dysfunction at different UCd levels in males and females living in the five Cd polluted areas in China

From: 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

U-Cd (μg/g cr)

2-MG (Male)

Gansu

Hubei

Guizhou

Guangdong

Yunnan

All regions

+

-

%

+

-

%

+

-

%

+

-

%

+

-

%

+

-

%

0-2

9

97

8.5

13

53

19.7

3

33

8.3

5

34

12.8

13

35

27.1

43

252

14.6

2-6

51

241

17.5

117

275

29.8

22

168

11.6

57

136

29.5

113

191

37.2

360

1011

26.3

6-12

83

112

42.6

127

104

55.0

43

172

20.0

21

45

31.8

29

27

51.8

303

460

39.7

12-

53

17

75.7

24

11

68.6

39

68

36.4

11

12

47.8

41

10

80.4

168

118

58.7

χ2

120.490

24.990

18.052

3.967

13.592

173.238

p

2.2e–16

2.2e–14

1.8e–07

0.046

7.9e–10

2.2e–16

U-Cd (μg/g cr)

2-MG (Female)

Gansu

Hubei

Guizhou

Guangdong

Yunnan

All regions

+

-

%

+

-

%

+

-

%

+

-

%

+

-

%

+

-

%

0-2

20

140

12.5

10

68

12.8

0

41

0.0

13

55

19.1

17

49

25.8

60

353

14.5

2-6

66

280

19.1

135

301

31.0

52

200

20.6

50

173

22.4

115

231

33.2

418

1185

36.1

6-12

98

136

42.1

157

121

56.5

81

181

30.9

47

50

48.5

63

58

52.1

446

545

45.0

12-

56

38

59.6

37

12

75.5

79

57

58.1

21

6

77.8

56

19

74.7

249

132

65.4

χ2

93.391

94.632

72.993

44.668

53.056

324.985

p

2.2e-16

2.2e-16

2.2e-16

2.2e-11

3.1e-13

2.2e-16

  1. Notes: Chi-squared linear trend test, p < 0.05