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Table 5 Values of Patellar Tilt (irregular > 20°), TT-TG (pathological > 20 mm) and preoperative and postoperative Patella height using Caton Deschamps Index (irregular > 1.4)

From: MPFL reconstruction and tibial tuberosity transposition in patients with patellar instability: May it troubleshots also trochlear dysplasia?

Patient

Patellar tilt

Tt-tg

Patella height preoperative

Patella height postoperative

1

47

21

1.6

0,93

2

26

24

1,3

1,06

3

27

21

1,23

1,09

4

27

21

1.36

1,08

5

35

24

2.13

1,03

6

25

14

1.4

1

7

24

14

1.24

1,02

8

25.9

21

1.30

1,04

9

32

14

1.6

1,01

10

23

16

1.28

0,98

11

25

22

1,6

0,82

12

24

20

1.23

1,01

13

26.2

15

1.33

1

14

29

22

1.8

1,2

15

27

18

1.36

0,98

16

24.3

9

1.65

1,1

17

24

22

1.37

1,1

18

26

25

2.01

1,5

19

29

20

1.7

1,36

20

28

27

1.25

0,73

21

26

24

1,6

1

22

23

20

2,1

1,5

23

23

15

1,2

1,1

24

20

20

1,08

1,1

25

26

22

1.08

1,06

  1. The mean value of Patellar Tilt is 27.09 (range 20–47)
  2. The mean value of TT-TG is 2 (range 0.9–2.7)
  3. The mean value of Patellar Height preoperative is 1.44 (range 1.08–2.13)
  4. The mean value of Patellar Height postperative is 1.07 (range 0.73–1.5)
  5. TT-TG: tibial-tuberosity to trochlear groove distance