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Table 2 Case status and arsenic exposure categories

From: Cardiovascular disease and arsenic exposure in Inner Mongolia, China: a case control study

Water Arsenic (μg/L)

Control

Case

Toenail arsenic

Toenail arsenic

(μg/g)

(μg/g)

Mean/Median

Min/Max

Under 10

137 (50.4%)

168 (58.3%)

0.77/0.57

0.18/16.4

11-39

131 (48.2%)

105 (44.5%)

0.94/0.59

0.13/34.2

40 -99

4 (1.5%)

11 (3.8%)

1.41/1.60

0.40/2.46

100 and over

0 (0%)

4 (2.2%)

3.38/342

2.72/3.95

Toenail Arsenic (μg/g)

Control

Case

Water arsenic

Water arsenic

(μg/L)

(μg/L)

Mean/Median

Min/Max

0.11-0.28

19 (8%)

32 (12%)

10.2/2.94

0.34/31.5

(<10th percentile)

0.29-1.37

212 (85%)

194 (74%)

11.8/9.00

0.29/88.3

(10th-90th percentile)

1.38-34.21

18 (1.5%)

35 (13%)

29.0/10.8

0.42/208

(>90th percentile)