Figure 1 From: The Nordic back pain subpopulation program: course patterns established through weekly follow-ups in patients treated for low back pain Number of patients reporting from 0 to 7 days with LBP the preceding week after the 1st (upper graph) and the 18th (lower graph) week. The upper figure illustrates the distribution of number of pain-days in the first week after consulting a chiropractor whereas the lower figure illustrates the corresponding distribution after 18 weeks.Back to article page