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Table 2 The Pfirrmann classification of intervertebral discs in two groups

From: Increased lactic acid content associated with extracellular matrix depletion in a porcine disc degeneration induced by superficial annular lesion

Grade

4 weeks

8 weeks

12 weeks

sham

AL

sham

AL

sham

AL

I

14

0

8

0

3

0

II

22

16

16

4

9

0

III

0

20

0

13

0

2

IV

0

0

0

6

0

7

V

0

0

0

1

0

3

  1. sham sham group, AL annular lesion group
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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