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The research article, “ShoeOrthotics for the Treatment of Chronic Low Back Pain: A Randomized ControlledTrial”, is a research study conducted by J. Cambron and her associates at theNational University of Health Sciences. This research investigated theefficiency of shoe orthotics (with or without chiropractic services) as atreatment for low back pain. The study design included 225 participants dividedinto 3 groups, a waitlist group, foot levelers shoe orthotic group and a plusgroup. The waitlist group acted as a control for the experiment, foot levelerswere given 2 orthotics, and the plus group was given orthotics along with chiropracticcare.

 In general, this is an appropriate studydesign, by using 225 patients in total, this allows for a proper evaluation ofthe effects of the intervention on a large scale. The large scale approachprovides the researchers with more data to evaluate and analyze. Additionally,the participants were randomized into their respective groups by a researchfellow that was not involved in the study.

This type of randomization maintainsa bias avoidance during the patient-intervention interaction.Statistics of this studymainly covered the following; baseline characteristics, changes in NPRS, andchanges in ODI. No evidence of significant differences wefound across treatments for any of the baseline characteristics.

Statistics ofthis study are appropriate for this study design by allowing for the clarificationof what the researchers seek to observe.The outcome measures forthe research study were measured at 6 weeks, 12 weeks then an additional 3,6& 12 months and included the following; LBP measured via a Numerical PainRating Scale (NPRS) and Low back disability measure by Owestry Disability Index(ODI). Researchers found that after 6 weeks, LBP and disability improved forall 3 groups. There was a considerable improvement in foot levelers whencompared to the waitlist and the addition of chiropractic care demonstrated an improvementin disability scores when compared with the orthotics alone. At week 12 andlater, there were no significant changes in any of the groups. The results wereinterpreted correctly, however the p-values for the changes that occurred atweek 6 (for the ODI) were less than 0.05, which suggest that the results arenot statistically significant

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