Absence of low back pain to demarcate an episode: a prospective multicentre study in primary care

Conclusion: Prevalence of four consecutive pain free weeks is found in the majority of subjects in this population logically reflects duration of LBP within the sample and may be applied on patients in primary care to demarcate a LBP episode.
Source: Epidemiologic Perspectives and Innovations - Category: Epidemiology Authors: Source Type: research