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Descriptive data for fluorosis TF scores
| |
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 | |||
