Post-Op 1 month

PTFE

Titanium

Mean (dB)

SD

P-value

Mean (dB)

SD

P-value

AC

41.75

7.53

0.603

39.33

6.85

0.595

Post-Op 3 month

PTFE

Titanium

Mean (dB)

SD

p-value

Mean (dB)

SD

p-value

AC

34.12

8.95

0.385

30.86

5.47

0.326