|
Comparison of the proportions of the two samples estimated to need orthodontic treatment (DHC) |
||||||
| Group/Grade |
KAAU |
PDP |
Chi-Square |
P-value |
||
|
|
||||||
| % |
N |
% |
N |
|||
|
|
||||||
| Little/No TX. (Gr.I&II) |
18.2 |
89 |
9.4 |
24 |
37.389 |
0.000* |
| Border line (Gr.III) |
11.8 |
58 |
15.7 |
40 |
3.306 |
0.069 |
| Need TX. (Gr.IV&V) |
70 |
342 |
74.9 |
190 |
34.429 |
0.000* |
| Total |
489 |
254 |
||||
|
* Significant at p < 0.001 | ||||||
Hassan Head & Face Medicine 2006 2:2 doi:10.1186/1746-160X-2-2 |
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