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Table 2 UTE-T2* and T2* values of AAF, NP, and PAF in each Pfirrmann grades

From: Ultrashort time-to-echo T2* and T2* relaxometry for evaluation of lumbar disc degeneration: a comparative study

Number

Pfirrmann grade

P value

I

II

III

IV

73

110

164

19

AAF

UTE-T2*

23.5 ± 5.6

19.9 ± 4.7

19.2 (5.8)

15.9 ± 3.4

 < 0.001

T2*

21.2 (8.0)

20.0 (7.4)

16.9 (5.9)

16.2 (11.1)

 < 0.001

NP

UTE-T2*

46.6 ± 10.1

35.9 (9.9)

27.8 ± 5.9

20.0 ± 5.3

 < 0.001

T2*

48.3 (19.9)

43.3 (17.8)

29.7 (9.9)

22.8 ± 5.8

 < 0.001

PAF

UTE-T2*

24.6 ± 3.6

20.6 ± 5.7

18.7 (6.5)

11.9 (8.3)

 < 0.001

T2*

19.7 ± 4.8

17.3 (7.0)

15.2 (5.4)

11.8 (6.3)

 < 0.001

  1. AAF Anterior annulus fibrosus, NP Nucleus pulposus, PAF Posterior annulus fibrosus, UTE Ultrashort time-to-echo
  2. distribution data is expressed as mean ± standard deviation
  3. skewed data is expressed as median, quartile spacing
  4. UTE-T2* and T2*value is given in ms
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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