Evaluation of the responsiveness of outcome measures after spine injection: A retrospective study

PloS One
Jiwoon SeoHeung Sik Kang

Abstract

Discrepancies in patients' responses to various outcome measures challenge clinicians' evaluation of treatment outcomes. Therefore, we aimed to 1) evaluate the concordance of outcome measures after spine injection, 2) determine the patient variables that lead to discordant responses, and 3) suggest practical outcome measure for spine injections with good responsiveness. From October 2014 to November 2014, 164 patients with neck or low back pain who visited our outpatient clinics and had spine injections on the previous visit were enrolled. We asked patients to report changes in their symptom in the form of outcome measures: numeric rating scale, Oswestry disability index, neck disability index, residual symptom percentage and global perceived effect. The responses were categorized into three groups according to the degree of change; not improved, minimally improved, and significantly improved. The concordances of these categorized answers were evaluated. When "significantly improved" was considered as true improvement, 46 (28%) of the 164 patients had discordant responses to the four measures. There was no significant patients' variable that affects discordance in the outcome measures. Good agreement was shown between the globa...Continue Reading

References

Oct 24, 2002·Journal of Clinical Epidemiology·Gordon H GuyattLauren E Griffith
Oct 17, 2008·Spine·Leonardo Oliveira Pena CostaLudmilla Motta Andrade Freitas
Jun 5, 2012·Archives of Physical Medicine and Rehabilitation·Christy C Tomkins-LaneAndrew J Haig
Aug 1, 2012·Pain Medicine : the Official Journal of the American Academy of Pain Medicine·Brian R TheodoreMichael Gofeld
Feb 11, 2015·Mayo Clinic Proceedings·Steven P Cohen
Oct 9, 2015·Pain·Stéphanie CormierPierre Rainville
Dec 15, 2015·Mayo Clinic Proceedings·W Michael Hooten, Steven P Cohen

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Statistical Package for the Social Sciences ( SPSS )
MedCalc

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