Effective

Deterioration of the internal tibiofemoral compartment (%)

Univariate analysis

OR [IC 95%]

p-value

Mean age (standard deviation)

OA with progression

4

53.2 (11.1)

0.14

OA without progression

17

42.3 (10.4)

1 [−5.4 - 27.3]

Sex

Female

14

4 (28.6)

0.25

Male

7

0 (0)

1 [−27.35 - 5.44]

BMI

18 - 24.5

6

1 (16.7)

0.74

24.6 - 30

9

2 (22.2)

1.43 [0.16 - 12.7]

30.1 - 34.5

6

1 (16.7)

Patellofemoral Osteoarthritis

Yes

6

2 (33.3)

0.32 [0.02 - 5.89]

0.54

No

15

2 (13.3)

Patella height

Normal

20

4 (54.1)

1 [0 - 165]

1

Low

1

0 (0)

Valgum degree

0˚ - 10˚

0

0 (0)

1

10˚ - 20˚

17

3 (17.6)

0.65 [0.03 - 44.8]

≥20˚

4

1 (25)

Correction angle

Varus correction

12

3 (25)

1.7 [0.9 - 8.3]

0.05

Valgus correction

9

1 (11.1)

1

Loss of correction

Yes

7

3 (34.6)

0.15 [0.002 - 2.4]

0.25

No

14

1 (66.7)

Lateral cortical rupture

Yes

8

4 (50)

2.8 [1.7 - 11.5]

0.02

No

13

0 (0)

1