Post -op 1 month

PTFE

Titanium

Mean (dB)

SD

p-value

Mean (dB)

SD

p-value

AC

18.26

7.14

0.662

17.21

7.37

0.666

Post-op 3 month

PTFE

Titanium

Mean (dB)

SD

p-value

Mean (dB)

SD

p-value

AC

14.2

8.62

0.652

12.36

5.29

0.609