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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Characteristics of patients with chronic back pain who benefit from acupuncture

Figure 1

Predicted values of the 8-week dysfunction score (Roland score) by baseline dysfunction score (Roland score) for each treatment group. The predicted values are adjusted for baseline values of: Roland score, bothersomeness score, and age (as continuous variables); gender, employment type, medication use, acupuncture expectation, self-efficacy, and group (as categorical variables); and interaction between baseline Roland score and treatment group. The adjusted means assume a mean age of 47 years, bothersomeness = 5, and equal weighting in each level of the categorical covariates.

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