Table 2 Summarized data for trace elements in surface waters from the non-KBD and KBD endemic areas in the Longzi County.

From: Hydrochemical characteristics of surface waters and their relationships to the Kashin–Beck Disease in Longzi County, Tibet

Parameters

Non-KBD

KBD

K–W

Mina

Maxa

Meana

Mediana

SD

CVb

K–S

Mina

Maxa

Meana

Mediana

SD

CVb

K–S

p value

Al

0.37

20.37

5.34

3.17

5.09

13.88

0.00

0.93

22.22

6.19

4.13

5.58

6.00

0.01

0.21

Si

2.35

18.54

8.23

7.18

3.84

1.63

0.00

1.72

17.16

6.91

6.19

3.29

1.92

0.00

0.09

V

0.01

1.17

0.34

0.25

0.28

28.34

0.00

0.11

0.76

0.36

0.35

0.15

1.33

0.20

0.02

Mn

0.00

0.28

0.04

0.02

0.05

25.24

0.00

0.00

0.06

0.02

0.02

0.02

16.42

0.10

0.06

Fe

0.58

271.70

105.33

93.37

69.81

120.79

0.20

2.86

71.99

19.71

17.31

13.10

4.58

0.16

0.00

Co

0.02

0.18

0.06

0.06

0.03

1.80

0.12

0.01

0.44

0.04

0.02

0.08

15.94

0.00

0.00

Ni

0.02

2.47

1.15

1.06

0.52

25.76

0.20

0.11

0.84

0.32

0.29

0.17

1.58

0.01

0.00

Cu

0.00

0.64

0.16

0.10

0.17

165.49

0.00

0.02

0.44

0.15

0.14

0.10

5.43

0.00

0.37

Zn

0.03

5.49

1.03

0.55

1.18

34.84

0.00

0.01

3.57

0.47

0.18

0.89

177.33

0.00

0.00

As

0.01

1.55

0.29

0.18

0.33

41.57

0.01

0.17

1.49

0.58

0.49

0.32

1.95

0.02

0.00

Se

0.07

2.21

0.46

0.25

0.49

6.81

0.00

0.04

0.33

0.14

0.12

0.08

2.08

0.05

0.00

Mo

0.13

1.03

0.47

0.41

0.25

1.96

0.01

0.02

0.55

0.25

0.20

0.18

11.39

0.14

0.00

I

0.01

0.42

0.10

0.07

0.09

17.31

0.00

0.02

0.16

0.05

0.05

0.03

1.50

0.12

0.00

  1. aConcentrations data are in μg L−1.
  2. bCoefficient of variation (CV).