What have we learned from ten years of trajectory research in low back pain?

doi:10.1186/s12891-016-1071-2

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BMC Musculoskelet Disord. 2016; 17: 220.

Published online 2016 May 21. doi: 10.1186/s12891-016-1071-2

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Fig. 3

Principal trajectories with suggested labelling. Labels combine a descriptor of intensity, variability and change pattern. The suggested definitions are mainly based on interpretive consensus among the authors about commonly observed trajectories and therefore should be altered as evidence for other definitions may emerge. *The term ‘recovery’ would be suitable for groups that initially present with pain. **Using the definition of episodes suggested by de Vet et al. [27]