Estimating the risk of chronic pain: development and validation of a prognostic model (PICKUP) for patients with acute low back pain
Background Low back pain (LBP) is a major health problem. Globally it is responsible for the most years lived with disability. The most problematic type of LBP is chronic LBP (pain lasting longer than 3 mo); it has a poor prognosis and is costly, and interventions are only moderately effective. Targ...
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| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
May 17, 2016
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| In: |
PLoS medicine
Year: 2016, Jahrgang: 13, Heft: 5 |
| ISSN: | 1549-1676 |
| DOI: | 10.1371/journal.pmed.1002019 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1371/journal.pmed.1002019 Verlag, lizenzpflichtig, Volltext: https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1002019 
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| Verfasserangaben: | Adrian C. Traeger, Nicholas Henschke, Markus Hübscher, Christopher M. Williams, Steven J. Kamper, Christopher G. Maher, G. Lorimer Moseley, James H. McAuley |
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| 245 | 1 | 0 | |a Estimating the risk of chronic pain |b development and validation of a prognostic model (PICKUP) for patients with acute low back pain |c Adrian C. Traeger, Nicholas Henschke, Markus Hübscher, Christopher M. Williams, Steven J. Kamper, Christopher G. Maher, G. Lorimer Moseley, James H. McAuley |
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| 520 | |a Background Low back pain (LBP) is a major health problem. Globally it is responsible for the most years lived with disability. The most problematic type of LBP is chronic LBP (pain lasting longer than 3 mo); it has a poor prognosis and is costly, and interventions are only moderately effective. Targeting interventions according to risk profile is a promising approach to prevent the onset of chronic LBP. Developing accurate prognostic models is the first step. No validated prognostic models are available to accurately predict the onset of chronic LBP. The primary aim of this study was to develop and validate a prognostic model to estimate the risk of chronic LBP. Methods and Findings We used the PROGRESS framework to specify a priori methods, which we published in a study protocol. Data from 2,758 patients with acute LBP attending primary care in Australia between 5 November 2003 and 15 July 2005 (development sample, n = 1,230) and between 10 November 2009 and 5 February 2013 (external validation sample, n = 1,528) were used to develop and externally validate the model. The primary outcome was chronic LBP (ongoing pain at 3 mo). In all, 30% of the development sample and 19% of the external validation sample developed chronic LBP. In the external validation sample, the primary model (PICKUP) discriminated between those who did and did not develop chronic LBP with acceptable performance (area under the receiver operating characteristic curve 0.66 [95% CI 0.63 to 0.69]). Although model calibration was also acceptable in the external validation sample (intercept = −0.55, slope = 0.89), some miscalibration was observed for high-risk groups. The decision curve analysis estimated that, if decisions to recommend further intervention were based on risk scores, screening could lead to a net reduction of 40 unnecessary interventions for every 100 patients presenting to primary care compared to a “treat all” approach. Limitations of the method include the model being restricted to using prognostic factors measured in existing studies and using stepwise methods to specify the model. Limitations of the model include modest discrimination performance. The model also requires recalibration for local settings. Conclusions Based on its performance in these cohorts, this five-item prognostic model for patients with acute LBP may be a useful tool for estimating risk of chronic LBP. Further validation is required to determine whether screening with this model leads to a net reduction in unnecessary interventions provided to low-risk patients. | ||
| 650 | 4 | |a Cohort studies | |
| 650 | 4 | |a Forecasting | |
| 650 | 4 | |a Lower back pain | |
| 650 | 4 | |a Pain psychology | |
| 650 | 4 | |a Physicians | |
| 650 | 4 | |a Physiotherapy | |
| 650 | 4 | |a Primary care | |
| 650 | 4 | |a Prognosis | |
| 700 | 1 | |a Henschke, Nicholas |e VerfasserIn |0 (DE-588)1034110098 |0 (DE-627)744074304 |0 (DE-576)381756343 |4 aut | |
| 700 | 1 | |a Hübscher, Markus |e VerfasserIn |4 aut | |
| 700 | 1 | |a Williams, Christopher M. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kamper, Steven J. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Maher, Christopher G. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Moseley, G. Lorimer |e VerfasserIn |4 aut | |
| 700 | 1 | |a McAuley, James H. |e VerfasserIn |4 aut | |
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