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Table 1 Patient details and grades of tissues used for immunohistochemistry analysis

From: Expression of cartilage-derived morphogenetic protein in human intervertebral discs and its effect on matrix synthesis in degenerate human nucleus pulposus cells

Source

Age (years)

Clinical diagnosis

Disc level

Histological grade

Surgical

15

Normal

L4/5

0

Surgical

41

Normal

L5/S1

0

Surgical

44

Normal

L4/5

0

Surgical

41

Normal

L4/5

0

Surgical

41

Normal

L5/S1

0

Surgical

33

Disc degeneration

L4/5

1

Surgical

20

Disc degeneration

L5/S1

2

Surgical

44

Disc degeneration

L4/5

2

Surgical

47

Disc degeneration

L4/5

2

Surgical

40

Disc degeneration

L4/5

2

Surgical

39

Disc degeneration

L5/S1

5

Surgical

25

Disc degeneration

L4/5

5

Surgical

40

Disc degeneration

L4/5

6

Surgical

25

Disc degeneration

L5/S1

6

Post mortem

47

No data

L4/5

6

Surgical

43

Disc degeneration

L4/5

7

Surgical

37

Disc degeneration

L4/5

7

Surgical

55

Disc degeneration

L5/S1

7

Post mortem

Not Known

No Data

L4/5

7

Surgical

44

Disc degeneration

L5/S1

8

Surgical

33

Disc degeneration

L4/5

9

Surgical

46

Disc degeneration

L4/5

9

Surgical

37

Disc degeneration

L4/5

9

Surgical

56

Disc degeneration

L4/5

9

Surgical

33

Disc degeneration

Unknown

9

Surgical

68

Disc degeneration

L5/S1

10

Surgical

32

Disc degeneration

L4/5

10

Surgical

45

Disc degeneration

L5/S1

10

Surgical

52

Disc degeneration

Unknown

10

Surgical

45

Disc degeneration

L4/5

11