Global perceived effect: | This evaluates the global effect of the treatment. The patients compare their baseline status with their status at the follow-up, measured on a 5 point Likert scale. |
Roland Morris Questionnaire (RMQ): | A disease-specific questionnaire concerning functional disability. The patient answers 23 questions, and the scale is scored between 0 and 23, where 23 is the worst possible score. |
The Self-Perceived Function Scale: | A patient-specific questionnaire concerning functional disability. The patient chooses the three functions that are the most bothersome and scores each on a scale from 0 to 10, where 10 represents their status before symptoms began. The three scores are added, with 0 as the worst possible score. |
Days with LBP: | The patient determines how many days within the last 100 days he or she has suffered from LBP. |
LBP rating scale: | Measures both pain and function. Here only the pain questionnaire was used. The patient scores, on an 11-point box scale, the present pain and the worst and mean pain within the last 2 weeks. The three scores are added together. |
Serum analysis: | Leucocytes, neutrophils, eosinophils, basophils, lymphocytes, monocytes, P/S creatininium, lactate dehydrogenase, alkaline phosphatase, C-reactive protein. |