Table 4 Comparison of mean measurements for trochlear morphology and patellofemoral joint alignment between athletes with and without SHFP edema

Trochlear anatomy

 Trochlear suclus depth^a (mm)

5.44 ± 1.22

6.43 ± 1.34

0.002

7.24 ± 1.47

8.00 ± 1.86

0.014

 Trochlear sulcus angle^a (degree)

136.65 ± 6.53

134.06 ± 6.84

0.096

123.09 ± 10.98

118.59 ± 10.00

0.054

 Lateral trochlear inclination^a (degree)

20.74 ± 3.66

22.66 ± 4.41

0.064

27.53 ± 6.69

30.78 ± 6.52

0.029

 Medial trochlear inclination^a (degree)

22.39 ± 5.92

23.71 ± 4.44

0.491

29.53 ± 7.08

31.36 ± 5.44

0.240

 Trochlear angle^a (degree)

3.76 ± 2.34

3.69 ± 2.21

0.889

3.49 ± 1.88

3.69 ± 2.22

0.540

 TT-TG^a (mm)

6.59 ± 2.27

6.10 ± 2.73

0.429

8.74 ± 1.83

8.46 ± 2.70

0.445

Patella anatomy

 Patella Tilt angle^a (degree)

5.07 ± 4.35

5.97 ± 4.27

0.224

11.44 ± 5.94

9.58 ± 6.29

0.085

 Insall‒Salvati ratio^a

1.29 ± 0.15

1.11 ± 0.14

 < 0.001

1.31 ± 0.14

1.19 ± 0.17

0.002

 PL-T^a (mm)

3.51 ± 1.10

7.13 ± 1.34

 < 0.001

5.26 ± 2.05

7.39 ± 2.43

 < 0.001