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Table 5 Exploring pain, ODI, and work status in patients with grade 0 versus grade 1–2 multifidus muscle fat in patients included in the predictor analysisa

From: Fat in the lumbar multifidus muscles - predictive value and change following disc prosthesis surgery and multidisciplinary rehabilitation in patients with chronic low back pain and degenerative disc: 2-year follow-up of a randomized trial

 

Rehabilitation

Surgery

Grade 0 fat at pre-treatment (n = 31)

Fat grad 1-2 at pre-treatment (n = 33)

p-value

Grade 0 fat at pre-treatment (n = 36)

Fat grade 1-2 at pre-treatment (n = 47)

p-value

Pain baseline (mean (SD))

75.1 (11.7)

70.8 (14.2)

0.19*

70.5 (15.6)

65.5 (15.8)

0.16*

Pain 2 year (mean (SD))

50.4 (28.9)

42.8 (26.5)

0.29*

25.9 (28.2)

33.3 (27.1)

0.24*

ODI baseline (mean (SD))

42.8 (8.6)

41.8 (8.0)

0.65*

40.0 (8.0)

44.1 (10.6)

0.05*

ODI 2 year (mean (SD))

28.9 (15.1)

25.5 (12.3)

0.33*

15.0 (17.1)

22.4 (14.6)

0.04*

Work status baseline (n / % working)

4 (12.9)

7 (21.2)

0.51#

12 (33.3)

8 (17.4)

0.12#

Work status 2 year (n / % working)

15 (48.4)

11 (33.3)

0.11#

24 (72.7)

22 (46.8)

0.04#

  1. ODI Oswestry Disability Index
  2. *Independent-samples t-test
  3. #Chi-Square Test (Continuity Correction)
  4. a n = 144 for pain, n = 147 for ODI, n = 137 for work status