|
Group
|
N
|
Individual STs (d)
|
MST (d)
|
|---|
|
No exposure (no treatment)
|
5
|
6, 7, 7, 7, 8
|
7
|
|
Opera (pre-treatment)
|
4
|
7, 8, 8, 11
|
8
|
|
Mozart
|
5
|
19, 20, 20, 83, 84
|
20
|
|
Enya
|
5
|
7, 10, 11, 11, 19
|
11
|
|
Frequency
| | | |
|
100 Hz
|
4
|
7, 7, 8, 12
|
7.5
|
|
500 Hz
|
4
|
7, 8, 8, 10
|
8
|
|
1000 Hz
|
4
|
7, 8, 10, 10
|
9
|
|
5000 Hz
|
4
|
7, 8, 8, 11
|
8
|
|
10,000 Hz
|
4
|
7, 7, 8, 18
|
7.5
|
|
20,000 Hz
|
4
|
7, 8, 9, 17
|
8.5
|
-
a All exposures were at 60 dB; there were no significant differences between the no-exposure group and any of the single-frequency groups on log rank test.
- STs, allograft survival times; MST, median allograft survival time.
