Skip to main content

Table 3 Comparison of the postoperative features between iMPFL and MPFL+AMZ groups

From: The remaining parameters of patellar instability could be affected for osteoarthritic change after medial patellofemoral ligament reconstruction with or without anteromedialization of the tibial tubercle osteotomy for patellar instability: a retrospective cohort study

 

Total

N = 30 (SD or %)

iMPFL

N = 14 (SD or %)

MPFL+AMZ N = 16 (SD or %)

P value

Kujala score

94.3 (6.2)

94.9 (6.0)

93.8 (6.6)

.652

Congruence angle, degree

− 1.2 (26.0)

2.9 (11.7)

−4.8 (34.0)

.425

Sulcus angle, degree

147.1 (13.5)

139.6 (3.3)

153.6 (15.7)

.003

Tilting angle, degree

16.8 (7.6)

18.8 (4.6)

15.1 (9.4)

.196

ISR

1.07 (0.20)

1.13 (0.15)

1.02 (0.23)

.128

Lateral patella displacement, mm

1.8 (3.4)

2.5 (2.8)

1.3 (3.9)

.341

TTTG

14.8 (3.1)

16.2 (2.4)

13.7 (3.3)

.036

Iwano OA grade (0/1/2/3/4), n

14/12/4/0/0

11/2/1/0/0

3/10/3/0/0

.004

  1. SD standard deviation, ISR Insall–Salvati ratio, TTTG tibial tubercle-trochlear groove, OA osteoarthritis