From: Peri-prosthetic trans-patellar fractures after Total knee Arthroplasty: a case series and review of literature
Case
Follow-up
(month)
AOM
(°)
Extensor lag
Outcome
KSS
Functional score
1
18
110
10
Good
84
75
2
15
100
Fair
83
70
3
80
20
Poor
4
130
0
Excellent
89
87
5
12
120
86
6
76
Mean
16
108
9
77