From: Treatment for lateral patellar impingement syndrome with arthroscopic lateral patelloplasty: a bidirectional cohort study
Follow-up index
Preoperation
Postoperation
t
P
Lysholm score
80.66 ± 5.51
81.91 ± 6.21
− 5.392
0.000
PSA (°)
23.71 ± 8.86
10.80 ± 8.17
11.844
PTA (°)
11.60 ± 3.44
10.86 ± 3.16
3.750
0.001
PLS (mm)
12.29 ± 2.37
8.77 ± 2.18
11.625