Table 2 The Fabellar parameters ^a

Gender

Male (n = 202)

7.96 ± 1.80

5.00 ± 1.61

6.86 ± 2.05

34.8 ± 4.5

1.68 ± 0.42

1.44 ± 0.43

1.22 ± 0.31

Female (n = 200)

7.08 ± 2.37

4.06 ± 1.31

6.08 ± 2.37

31.3 ± 3.9

1.81 ± 0.51

1.54 ± 0.57

1.23 ± 0.31

P value

 < 0.001

 < 0.001

 < 0.001

 < 0.001

0.015

0.044

0.528

Side

Right (n = 224)

7.55 ± 2.33

4.53 ± 1.59

6.41 ± 2.40

33.0 ± 4.7

1.74 ± 0.47

1.46 ± 0.44

1.24 ± 0.32

Left (n = 178)

7.49 ± 1.90

4.52 ± 1.47

6.54 ± 2.05

33.0 ± 4.4

1.75 ± 0.47

1.53 ± 0.58

1.20 ± 0.30

P value

0.781

0.972

0.336

0.956

0.856

0.395

0.367

Articulating groove

Yes (n = 179)

8.68 ± 1.85

5.44 ± 1.41

7.36 ± 2.12

32.8 ± 4.6

1.67 ± 0.44

1.39 ± 0.37

1.24 ± 0.30

No (n = 223)

6.59 ± 1.92

3.79 ± 1.21

5.75 ± 2.09

33.2 ± 4.5

1.81 ± 0.48

1.58 ± 0.58

1.21 ± 0.32

P value

 < 0.001

 < 0.001

 < 0.001

0.349

 < 0.001

 < 0.001

0.381

MM tear

Yes (n = 122)

8.22 ± 2.36

4.38 ± 1.45

7.11 ± 2.37

32.6 ± 4.3

1.97 ± 0.50

1.70 ± 0.60

1.21 ± 0.33

No (n = 280)

7.21 ± 1.98

4.59 ± 1.58

6.19 ± 2.14

33.2 ± 4.7

1.65 ± 0.42

1.40 ± 0.43

1.23 ± 0.30

P value

 < 0.001

0.294

0.001

0.314

 < 0.001

 < 0.001

0.408

Age group^b

 ≤ 20 (n = 19)

7.79 ± 2.18

5.29 ± 1.42

6.64 ± 1.59

33.5 ± 5.8

1.49 ± 0.29

1.33 ± 0.40

1.20 ± 0.32

21–30 (n = 54)

7.17 ± 1.97

5.08 ± 1.76

6.42 ± 2.15

34.0 ± 4.8

1.47 ± 0.33

1.32 ± 0.39

1.16 ± 0.27

31–40 (n = 91)

6.92 ± 1.77

4.61 ± 1.58

6.07 ± 2.06

33.4 ± 4.3

1.56 ± 0.32

1.35 ± 0.36

1.20 ± 0.29

41–50 (n = 82)

7.02 ± 1.83

4.29 ± 1.48

6.09 ± 2.32

33.6 ± 5.0

1.71 ± 0.37

1.43 ± 0.44

1.23 ± 0.30

51–60 (n = 57)

7.63 ± 2.10

4.33 ± 1.43

6.65 ± 2.28

32.6 ± 4.4

1.86 ± 0.52

1.61 ± 0.55

1.21 ± 0.32

 ≥ 61 (n = 99)

8.55 ± 2.45

4.30 ± 1.40

7.03 ± 2.47

31.8 ± 4.0

2.07 ± 0.52

1.71 ± 0.65

1.28 ± 0.35

P value

 < 0.001

0.011

0.078

0.115

 < 0.001

 < 0.001

0.417

Overall (n = 402)

7.52 ± 2.15

4.53 ± 1.54

6,47 ± 2.25

33.0 ± 4.6

1.75 ± 0.47

1.49 ± 0.51

1.22 ± 0.31