Table 1: Mean (-X) and Standard Deviation (SD) of PTA (dB) of both control and study group.
|
Frequency KHz |
Ear |
Control -X S.D |
Study -X S.D |
t |
P |
|
0.25 |
Rt Lt |
12.8 ± 2.4 13.2 ± 2.1 |
13.7 ± 3.4 12.9 ± 3.7 |
0.47 0.51 |
> 0.05 |
|
0.5 |
Rt Lt |
13.3 ±2.1 14.1 ± 1.9 |
13.5 ±2.3 13.9 ± 3.4 |
0.39 0.28 |
> 0.05 |
|
1 |
Rt Lt |
18.7 ± 3.0 18.0 ± 2.5 |
21.2 ± 4.3 20.8 ± 4.7 |
0.61 0.57 |
> 0.05 |
|
2 |
Rt Lt |
20.4 ± 3.6 20.8 ± 4.7 |
21.7 ± 3.6 22.9 ± 5.8 |
0.42 0.56 |
> 0.05 |
|
4 |
Rt Lt |
22.3 ± 3.5 21.2 ± 2.8 |
23.3 ± 3.8 23.4 ± 2.9 |
0.32 0.45 |
> 0.05 |
|
8 |
Rt Lt |
20.8 ± 4.5 19.9 ± 5.1 |
23.3 ± 3.5 22.8 ± 4.1 |
0.70 0.51 |
> 0.05 |
|
12 |
Rt Lt |
19.0 ± 6.1 18.0 ± 4.8 |
21.2 ± 11.35 21.0 ± 10.5 |
0.57 0.87 |
> 0.05 |
|
16 |
Rt Lt |
22.5 ± 7.2 22.5 ± 7.1 |
32.3 ± 19.6 29.5 ± 19.5 |
1.5 1.1 |
> 0.05 |
There was no statistically significant difference between control and study groups in PTA threshold on both sides.