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Table 4 Comparison of the postoperative features between recurrent and habitual 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

 

Recurrent N = 24 (SD or %)

Habitual

N = 6 (SD or %)

P value

Kujala score

93.2 (6.6)

98.2 (2.0)

.086

Congruence angle, degree

5.6 (17.9)

−28.3 (36.5)

.003

Sulcus angle, degree

141.9.6 (8.1)

168.0 (15.7)

<.001

Tilting angle, degree

15.0 (6.6)

24.2 (7.7)

.006

ISR

1.14 (0.15)

0.83 (0.17)

<.001

Lateral patella displacement, mm

2.3 (2.8)

0.1 (5.2)

.175

TTTG

15.3 (3.0)

12.9 (3.2)

0.103

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

13/7/4/0/0

1/5/0/0/0

.077

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