Estimating the Risk of Chronic Pain: Development and Validation of a Prognostic Model (PICKUP) for Patients with Acute Low Back Pain

doi:10.1371/journal.pmed.1002019

PMC full text:

PLoS Med. 2016 May; 13(5): e1002019.

Published online 2016 May 17. doi: 10.1371/journal.pmed.1002019

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Fig 2

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Calibration plots showing external validity of the three prognostic models.

(A) PICKUP predicting chronic LBP. (B) Model 2a predicting chronic LBP with high pain. (C) Model 2b predicting chronic LBP with disability. The distribution of predicted risks is shown at the bottom of each plot, by 3-mo outcome. The triangles indicate observed frequencies by decile of predicted risk.