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Table 2 Mean scores for pain, disability, general health and depression from baseline to follow-up and adjusted change scores

From: Rest versus exercise as treatment for patients with low back pain and Modic changes. a randomized controlled clinical trial

Outcome Group N Mean
(± SD)
Adjusted differencea
(95% CI)
P
Pain NRS (0-10)      
Baseline Rest 49 5.6 (± 1.5)   
  Exercise 51 5.1 (± 2.2)   
Post-treatment Rest 45 5.0 (± 1.9) -0.07 (-0.9 to 0.7) 0.9
  Exercise 42 4.5 (± 2.1)   
One-year Rest 48 4.8 (± 2.3) -0.3 (-1.3 to 0.6) 0.5
  Exercise 46 4.3 (± 2.4)   
Disability RMQ-23      
Baseline Rest 49 12.0 (± 4.0)   
  Exercise 51 13.3 (± 4.8)   
Post-treatment Rest 45 11.0 (± 4.8) -0.6 (-2.2 to 1.0) 0.5
  Exercise 42 11.1 (± 5.4)   
One-year Rest 47 10.7 (± 5.5) -1.2 (-3.3 to 1.0) 0.3
  Exercise 46 10.7 (± 6.1)   
General health EQ index      
Baseline Rest 47 0.7 (± 0.12)   
  Exercise 51 0.6 (± 0.17)   
Post-treatment Rest 43 0.7 (± 0.12) 0.04 (-0.007 to 0.09) 0.1
  Exercise 42 0.7 (± 0.13)   
One-year Rest 48 0.7 (± 0.21) 0.06 (-0.008 to 0.14) 0.08
  Exercise 47 0.7 (± 0.13)   
General health EQ VAS      
Baseline Rest 48 54 (± 18)   
  Exercise 49 53 (± 20)   
Post-treatment Rest 44 56 (± 18) 0.02 (-7.7 to 7.7) 0.9
  Exercise 41 56 (± 21)   
One-year Rest 49 56 (± 21) 5.4 (-2.6 to 13.5) 0.2
  Exercise 47 60 (± 22)   
Depression score BDI      
Baseline Rest 49 10.7(± 6.1)   
  Exercise 51 9.6(± 5.9)   
Post-treatment Rest 45 8.6(± 6.1) 0.67 (-0.99 to 2.3) 0.4
  Exercise 42 7.9(± 5.5) 0.08 (-0.3 to 0.4) b 0.7 b
One-year follow-up Rest 49 9.5(± 7.1) -0.92 (-2.8 to 0.97) 0.3
  Exercise 47 8.0(± 6.1) -0.17 (-0.6 to 0.22) b 0.4 b
  1. aBetween group differences adjusted for baseline score, age, sex, physical workload and smoking. bResults of analysis with square-root transformation of data. Mean values reported for untransformed data to assist clinical interpretation.BDI, Beck Depression Inventory; CI, confidence interval; EQ-5D, EuroQol; NRS, numeric rating scale; RMQ, Roland Morris Disability Questionnaire; SD, standard deviation.