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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