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Table 4 Pain response according to grade of annular disruption in 16 HIZ discs studied by CT discograms

From: Factors associated with lumbar disc high-intensity zone (HIZ) on T2-weighted magnetic resonance image: a retrospective study of 3185 discs in 637 patients

Pain reproduction

Disruption gradea

Total

0

1

2

3

4

Positive

0

0

0

1

8

9

Negative

0

0

0

6

1

7

Total

0

0

0

7

9

16

  1. aModified Dallas discogram scale
  2. +P = 0.009 (Fisher’s exact test)
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X