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Table 8 Change in multifidus muscle fat in the two treatment groups from pre-treatment to 2-year follow-up

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 (n = 63) Surgery (n = 63)
Improvement in 1 level 1a 0
No change 61 56
Deterioration in 1 level 1b 5c
Deterioration in 2 levels 0 2d
  1. aChange from grad 1 to grade 0
  2. bChange from grade 0 to grade 1
  3. cAll changes were from grade 0 to grade 1
  4. dOne patient changed from grade 0 to grade 1 in two levels, one patient changed from grade 0 to grade 1 in one level and from grade 1 to grade 2 in one level