Table 5: Distribution of patients based on the inclination of third molar to the long axis of second molar (Winter's classification) according to sex, age and affected jaw (N=2550).
-
|
-
|
Ma |
Da |
V |
H |
T |
|
|
N |
% |
p |
N |
% |
p |
N |
% |
p |
N |
% |
p |
N |
% |
p |
Total (N=2550) |
149 |
5.8% |
|
94 |
3.7% |
|
1354 |
53.1% |
|
72 |
2.8% |
|
6 |
0.2% |
|
Sex |
Male |
106 |
71.1% |
|
60 |
63.8% |
|
906 |
66.9% |
|
45 |
62.5% |
|
0 |
0.0% |
0.001 |
|
Female |
43 |
28.9% |
0.088 |
34 |
36.2% |
0.850 |
448 |
33.1% |
0.015 |
27 |
37.5% |
0.684 |
6 |
100.0% |
|
Age group |
18-19 |
15 |
10.1% |
<0.001 |
0 |
0.0% |
<0.001 |
59 |
4.4% |
<0.001 |
0 |
0.0% |
<0.001 |
0 |
0.0% |
<0.001 |
|
20-24 |
39 |
26.2% |
|
23 |
24.5% |
|
229 |
16.9% |
|
16 |
22.2% |
|
0 |
0.0% |
|
|
25-29 |
13 |
8.7% |
|
29 |
30.9% |
|
235 |
17.4% |
|
21 |
29.2% |
|
0 |
0.0% |
|
|
30-34 |
16 |
10.7% |
|
4 |
4.3% |
|
267 |
19.7% |
|
11 |
15.3% |
|
0 |
0.0% |
|
|
35-39 |
37 |
24.8% |
|
14 |
14.9% |
|
250 |
18.5% |
|
17 |
23.6% |
|
0 |
0.0% |
|
|
40-44 |
9 |
6.0% |
|
0 |
0.0% |
|
105 |
7.8% |
|
3 |
4.2% |
|
0 |
0.0% |
|
|
45-49 |
0 |
0.0% |
|
0 |
0.0% |
|
99 |
7.3% |
|
0 |
0.0% |
|
0 |
0.0% |
|
|
50-54 |
9 |
6.0% |
|
0 |
0.0% |
|
41 |
3.0% |
|
0 |
0.0% |
|
6 |
100.0% |
|
|
≥55 |
11 |
7.4% |
|
24 |
25.5% |
|
69 |
5.1% |
|
4 |
5.6% |
|
0 |
0.0% |
|
Jaw |
Lower |
144 |
96.6% |
<0.001 |
25 |
26.6% |
<0.001 |
665 |
49.2% |
0.270 |
71 |
100.0% |
<0.001 |
0 |
0.0% |
0.014 |
|
Upper |
5 |
3.4% |
|
69 |
73.4% |
|
688 |
50.8% |
|
0 |
0.0% |
|
6 |
100.0% |
|