Back pain monitoring response to therapy: Difference between revisions
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==Overview== | ==Overview== | ||
===Methods of determining the minimal clinically important difference (MCID)=== | |||
{{main|Treatment outcome}} | |||
The Oswestry low back pain disability questionnaire (ODQ) contains 10 questions that have 5-point Likert scale answers and can measure the response to therapy.<ref name="pmid6450426">{{cite journal| author=Fairbank JC, Couper J, Davies JB, O'Brien JP| title=The Oswestry low back pain disability questionnaire. | journal=Physiotherapy | year= 1980 | volume= 66 | issue= 8 | pages= 271-3 | pmid=6450426 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6450426 }} </ref> | The Oswestry low back pain disability questionnaire (ODQ) contains 10 questions that have 5-point Likert scale answers and can measure the response to therapy.<ref name="pmid6450426">{{cite journal| author=Fairbank JC, Couper J, Davies JB, O'Brien JP| title=The Oswestry low back pain disability questionnaire. | journal=Physiotherapy | year= 1980 | volume= 66 | issue= 8 | pages= 271-3 | pmid=6450426 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6450426 }} </ref> | ||
* The minimal clinically important differences (MCID) has been proposed as >0.5 standard deviation improvement.<ref name="pmid25844995">{{cite journal| author=Delitto A, Piva SR, Moore CG, Fritz JM, Wisniewski SR, Josbeno DA | display-authors=etal| title=Surgery versus nonsurgical treatment of lumbar spinal stenosis: a randomized trial. | journal=Ann Intern Med | year= 2015 | volume= 162 | issue= 7 | pages= 465-73 | pmid=25844995 | doi=10.7326/M14-1420 | pmc=6252248 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25844995 }} [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=&cmd=prlinks&id=26729775 Review in: Evid Based Med. 2016 Feb;21(1):31] </ref> | * The minimal clinically important differences (MCID) has been proposed as >0.5 standard deviation improvement.<ref name="pmid25844995">{{cite journal| author=Delitto A, Piva SR, Moore CG, Fritz JM, Wisniewski SR, Josbeno DA | display-authors=etal| title=Surgery versus nonsurgical treatment of lumbar spinal stenosis: a randomized trial. | journal=Ann Intern Med | year= 2015 | volume= 162 | issue= 7 | pages= 465-73 | pmid=25844995 | doi=10.7326/M14-1420 | pmc=6252248 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25844995 }} [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=&cmd=prlinks&id=26729775 Review in: Evid Based Med. 2016 Feb;21(1):31] </ref> | ||
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*** Effect size derived MCID: "multiplying the SD of the baseline scores by 0.2 (the small effect size)" | *** Effect size derived MCID: "multiplying the SD of the baseline scores by 0.2 (the small effect size)" | ||
===Recommendations for the minimal clinically important difference (MCID)=== | |||
Copay calculated the MCID to be 12.8<ref name="pmid18201937">{{cite journal| author=Copay AG, Glassman SD, Subach BR, Berven S, Schuler TC, Carreon LY| title=Minimum clinically important difference in lumbar spine surgery patients: a choice of methods using the Oswestry Disability Index, Medical Outcomes Study questionnaire Short Form 36, and pain scales. | journal=Spine J | year= 2008 | volume= 8 | issue= 6 | pages= 968-74 | pmid=18201937 | doi=10.1016/j.spinee.2007.11.006 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18201937 }} </ref>. | Copay calculated the MCID to be 12.8<ref name="pmid18201937">{{cite journal| author=Copay AG, Glassman SD, Subach BR, Berven S, Schuler TC, Carreon LY| title=Minimum clinically important difference in lumbar spine surgery patients: a choice of methods using the Oswestry Disability Index, Medical Outcomes Study questionnaire Short Form 36, and pain scales. | journal=Spine J | year= 2008 | volume= 8 | issue= 6 | pages= 968-74 | pmid=18201937 | doi=10.1016/j.spinee.2007.11.006 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18201937 }} </ref>. | ||
Davidson recommends an MCID of 10.5 or 15<ref name="pmid11784274">{{cite journal| author=Davidson M, Keating JL| title=A comparison of five low back disability questionnaires: reliability and responsiveness. | journal=Phys Ther | year= 2002 | volume= 82 | issue= 1 | pages= 8-24 | pmid=11784274 | doi=10.1093/ptj/82.1.8 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11784274 }} </ref>. | |||
Vianin's literature review finds the range of MCIDs proposed is 4 to 10.5.<ref name="pmid19646379">{{cite journal| author=Vianin M| title=Psychometric properties and clinical usefulness of the Oswestry Disability Index. | journal=J Chiropr Med | year= 2008 | volume= 7 | issue= 4 | pages= 161-3 | pmid=19646379 | doi=10.1016/j.jcm.2008.07.001 | pmc=2697602 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19646379 }} </ref> | |||
==See also== | ==See also== | ||
Latest revision as of 18:55, 21 February 2024
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]
Overview
Methods of determining the minimal clinically important difference (MCID)
The Oswestry low back pain disability questionnaire (ODQ) contains 10 questions that have 5-point Likert scale answers and can measure the response to therapy.[1]
- The minimal clinically important differences (MCID) has been proposed as >0.5 standard deviation improvement.[2]
- MCID of 12.8 has been proposed[3]
- Copay et al used various methods to determine the optimal MCID[3].
- Receiver-operating characteristic curve derived MCID: " The optimal cut-off value for a ROC curve corresponds to the point of optimal trade-off between sensitivity and specificity "
- Half a standard deviation: Template:Sfrac \times {SD}
- Standard error of measurement SD \times \sqrt{1 - r}, "where SD is the standard deviation of the baseline scores and r is the test-retest reliability coefficient"
- Minimum detectable change: 1.96 \times \sqrt{2} \times{SEM}
- Effect size derived MCID: "multiplying the SD of the baseline scores by 0.2 (the small effect size)"
- Copay et al used various methods to determine the optimal MCID[3].
Recommendations for the minimal clinically important difference (MCID)
Copay calculated the MCID to be 12.8[3]. Davidson recommends an MCID of 10.5 or 15[4].
Vianin's literature review finds the range of MCIDs proposed is 4 to 10.5.[5]
See also
References
- ↑ Fairbank JC, Couper J, Davies JB, O'Brien JP (1980). "The Oswestry low back pain disability questionnaire". Physiotherapy. 66 (8): 271–3. PMID 6450426.
- ↑ Delitto A, Piva SR, Moore CG, Fritz JM, Wisniewski SR, Josbeno DA; et al. (2015). "Surgery versus nonsurgical treatment of lumbar spinal stenosis: a randomized trial". Ann Intern Med. 162 (7): 465–73. doi:10.7326/M14-1420. PMC 6252248. PMID 25844995. Review in: Evid Based Med. 2016 Feb;21(1):31
- ↑ 3.0 3.1 3.2 Copay AG, Glassman SD, Subach BR, Berven S, Schuler TC, Carreon LY (2008). "Minimum clinically important difference in lumbar spine surgery patients: a choice of methods using the Oswestry Disability Index, Medical Outcomes Study questionnaire Short Form 36, and pain scales". Spine J. 8 (6): 968–74. doi:10.1016/j.spinee.2007.11.006. PMID 18201937.
- ↑ Davidson M, Keating JL (2002). "A comparison of five low back disability questionnaires: reliability and responsiveness". Phys Ther. 82 (1): 8–24. doi:10.1093/ptj/82.1.8. PMID 11784274.
- ↑ Vianin M (2008). "Psychometric properties and clinical usefulness of the Oswestry Disability Index". J Chiropr Med. 7 (4): 161–3. doi:10.1016/j.jcm.2008.07.001. PMC 2697602. PMID 19646379.