Skip to main content

Table 5 Mean of hair mercury concentration (μg/g) stratified by the median of each neuropsychological test.

From: Low level methylmercury exposure affects neuropsychological function in adults

Tests

Median

Hair Hg

P value*

Fine Motor Speed

< 30

4.8

 
 

≥ 30

3.6

0.006

Digit Symbol

< 20

4.8

 
 

≥ 20

3.8

0.03

Logical Memory total

< 03

4.6

 
 

≥ 03

3.7

0.05

Digit Span backward

< 02

4.7

 
 

≥ 02

3.6

0.007

Easy Learning

< 14

4.7

 
 

≥ 14

3.7

0.02

Logical Memory first story

< 02

4.9

 
 

≥ 02

3.7

0.01

  1. *T-test with p value ≤ 0.05