Table 1

Summary of clinical and demographic features in the study population

Subject number

Age (years), gender

Thompson grade

Vertebral level^a

Herniation

Other information

Young subjects

1

17, female

I

Lumbar

No

Normal donor

2

10, female

I

Lumbar

No

Normal donor

Adult subjects

3

21, male

II

L₅ to S₁

Yes

Surgical patient

4

50, male

II

L₃ to L₄

Yes

Surgical patient

5

46, male

II

L₅ to S₁

No

Surgical patient

6

41, male

II

L₅ to S₁

Yes

Surgical patient

7

18, female

II

L₄ to L₅

Yes

Surgical patient

8

30, male

II

L₃ to L₄

No

Normal donor; liver cancer

9

30, male

III

L₄ to L₅

Yes

Surgical patient

10

31, male

III

L₅ to S₁

Yes

Surgical patient

11

37, male

III

L₅ to S₁

Yes

Surgical patient

12

40, female

III

L₄ to L₅

No

Surgical patient

13

41, female

III

Lumbar

No

Normal donor

14

38, male

III

L₄ to L₅

Yes

Surgical patient

15

40, female

III

L₅ to S₁

No

Surgical patient

16

56, female

III

L₅ to S₁

Yes

Surgical patient

17

42, male

III

L₅ to S₁

No

Surgical patient

18

33, female

III

L₁ to L₂

No

Normal donor, pulmonary embolism

19

37, male

3.5

L₄ to L₅

Yes

Surgical patient

20

41, male

IV

Lumbar

No

Normal donor, Hodgkin's lymphoma

21

54, male

IV

L₄ to L₅

Yes

Surgical patient

22

65, female

IV

L₁ to L₂

No

Surgical patient

23

61, female

V

L₄ to L₅

No

Surgical patient

24

41, male

V

L₄ to L₅

No

Surgical patient

25

72, female

V

L₅ to S₁

Yes

Surgical patient

26

39, male

V

L₅ to S₁

No

Surgical patient

27

48, male

V

L₃ to L₄

No

Surgical patient

28

79, female

V

L₄ to L₅

Yes

Surgical patient

29

52, female

V

L₅ to S₁

No

Surgical patient

^aL, lumbar; S, sacral.

Gruber et al. Arthritis Research & Therapy 2009 11:R184   doi:10.1186/ar2876