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Table 8 Descriptive data for fluorosis TF scores

From: The association between social deprivation and the prevalence and severity of dental caries and fluorosis in populations with and without water fluoridation

 

City

Mann Whitney U

 

Newcastle fluoridated

Manchester non-fluoridated

 
 

Number

%

Number

%

 

Fluorosis TF Score

    

U = 264614, z = −13.025, p < 0.0001

0

410

45%

638

73%

 

1

355

39%

209

24%

 

2

79

9%

16

2%

 

3

53

6%

4

1%

 

4

8

1%

0

0%

 

5

1

0.1%

2

0.2%

 

Total

906

 

869

  
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BMC Public Health

ISSN: 1471-2458

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