Variable

Mean ± SD

Mean of changes in ACD from preoperative (postop-preop)

p-value

Preoperative ACD

2.95 ± 0.35

-

-

10^thPostoperative ACD

3.94 ± 0.32

0.98

0.000

30^th Postoperative ACD

3.92 ± 0.28

0.96

0.000