Asymptomatic joints

Symptomatic joints

Significance

All joints

n

60

15

Max. dimension (mean)

20.4 ± 1.8 mm

25.3 ± 4.1 mm

P < 0.05

Grading (mean)

0.6 ± 0.6

1.5 ± 0.8

P < 0.05

Grade

0

29

1

P = 0.003

2 + 3

5

7

P = 0.015

L4/5

n

30

5

Max. dimension (mean)

20.5 ± 1.9 mm

24.8 ± 4.6 mm

P > 0.05

Grading (mean)

0.5 ± 0.6

1.6 ± 1.1

P > 0.05

Grade

0

16

1

P = 0.34

2 + 3

1

3

P = 0.006

L5/S1

n

30

10

Max dimension (mean)

20.3 ± 1.8 mm

25.6 ± 4.1 mm

P < 0.05

Grading (mean)

0.7 ± 0.7

1.5 ± 0.7

P < 0.05

Grade

0

13

0

P = 0.018

2 + 3

4

4

P = 0.09