Table 2 Incidence of lumbar vertebral endplates lesions in all participants

Normal^a

263

35.1

174

41.0

89

27.3

 < 0.001

1-level

192

25.6

111

36.2

81

34.8

0.6785

2-levels

116

15.5

66

15.6

57

17.5

0.4818

3-levels

86

11.5

36

8.5

50

15.3

0.0035

4-levels

54

7.2

22

5.2

32

9.8

0.0151

5-levels

32

4.3

15

3.5

17

5.2

0.2600

Total

750

100

424

100

326

100

Normal^b

6000

80.0

3536

83.4

2464

75.6

 < 0.001

Superior

761

10.1

356

8.4

405

12.4

 < 0.001

Inferior

739

9.9

348

8.2

391

12.0

 < 0.001

Total

7500

100

4240

100

3260

100