Figure 3 From: The Nordic back pain subpopulation program: course patterns established through weekly follow-ups in patients treated for low back pain The percentage of LBP-patients being recovered, mildly and severely affected during a course of 18 weeks. The graphs illustrate the part of patients reporting no, some and severe symptom during a course of 18 weeks, measured as number of LBP-days (upper) and LBP intensity (lower). Treatment was initiated in the week preceding the first registration.Back to article page