Abbreviations
| COS | Core outcome set |
|---|---|
| COMET | Core outcome measures in effectiveness trials http://www.comet-initiative.org/ |
| COSMIN | Consensus-based standards for the selection of health measurement instruments http://www.cosmin.nl/ |
| FR | Functional restoration |
| IASP | International association for the study of pain http://www.iasp-pain.org/ |
| IMMPACT | Initiative on methods, measurement, and pain assessment in clinical trials http://immpact.org/ |
| MPT | Multimodal pain therapy Synonymous: interdisciplinary, comprehensive |
| OMERACT | Outcome Measures in Rheumatology http://www.omeract.org/ |
| RCT | Randomised controlled trial |
| TOPS | Treatment outcomes in pain survey instruments |