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Research - Lower Costs Jan Feb 2015
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Jan/Feb 2015

Lower Costs and Less Drug Use in the Workplace with Chiropractic

Summary provided by Dean L. Smith, D.C., Ph.D.


Up to 84% of the general population has been found to report low back pain (LBP) symptoms at some point during their lifetime. Another staggering fact is that low back pain is the leading cause of disability worldwide affecting nearly one in ten people. Not surprisingly then, back pain is the second most common symptom-related reason for clinician visits in the United States.
The costs for spinal conditions continue to rise. Consider that back pain has substantial recurrence rates that may affect 40% to 50% of patients within 6 months and 70% within 12 months. Current evidence suggests that the natural history of LBP is alike chronic conditions such as asthma, marked by chronic mild symptoms and periodic exacerbations. These developments have highlighted that LBP is a priority for employers focusing on workforce health and productivity (H&P). Employers are seeking to maximize the ratio of outcomes achieved relative to costs incurred (ie, value) for the investments that they are making in their employees. Furthermore, employers are in the unique position of being able to determine what treatments actually cost and how effective they are in their workforce.
The authors of this study point out that previous research has found that patients receiving chiropractic care have lower associations of probability of disability recurrence than patients of physicians and physical therapists. They also state that early use of magnetic resonance imaging (MRI) has been linked to prolonged disability, higher costs, and greater use of surgery without evidence of benefit on health and function.
The goals of this study were to assess the cost outcomes of treatment approaches to care for back problems in a major self-insured workforce using published guidelines to focus on low back pain.
This study involved a retrospective time series analysis of tracked episodes of three types of ICD-9 code–identified back problems (n = 14,787) during 2001 to 2009 from a Fortune 500 company. The sample consisted of back pain episodes stratified into 3 groups:
 #1: LBP with neurologic findings (LBP/neuro) (n=1837)
#2: LBP with no neurologic findings (LBP/nonneuro) (n=8569)
#3: Other back (n=4381)
Of all employees, 39.4% had at least one back pain episode and many had multiple episodes of LBP. Total costs (direct/indirect) per employee were calculated per year.
Results indicated that 5 overall episode treatment patterns emerged (overall sample percentage in parentheses):
1. Information and Advice (TalkInfo): simple office visits, lab tests, emergency department or hospital visits, talk therapy, or visits involving imaging (59%).
2. Complex Medical Management (Complex MM): visits for nerve blocks, surgeries, or comparable procedures. Any ties with other categories went to this category (2%).
3. Chiropractic (Chiro): number of visits to a chiropractor was greater than 1 and comprised the plurality or greater of procedures. This included cases involving manipulation billed as PT if the manipulation occurred on the same day (11%).
4. Physical therapy (PT): number of visits to a PT was greater than 1 and comprised the plurality or greater of procedures. Physical therapy by itself (no chiropractor) sometimes included devices or other palliative treatments (11%).
5. Dabble: at most, one visit for physician, chiropractic, or PT care, or at most one visit to two or more of these categories (17%).
Notable results included that the chiropractic group had the lowest prescription rates among all seven classes of medications. The chiropractic group also was the least likely to receive complex medical procedures like surgeries and to record guideline-incongruent use of imaging, medications and procedures when the latter were delivered. In addition, the chiropractic group averaged significantly lower total costs per episode, even when statistical adjustments were made to improve group comparability. Of note is that the complex medical management approach recorded the highest rates of prescription fills for opiods, other pain medications, SSRI/SNRI/tricyclics, and anxiolytics/sedatives/hypnotics. The PT group had the highest rates for NSAIDs, muscle relaxant, and oral steroids.
Key Points
•    The chiropractic group had the lowest prescription medication rates, least costs per episode of LBP, and least guideline-incongruent use of medications and imaging
Reference: Allen H, Wright M, Craig T, Mardekian J, Cheung R, Sanchez R, Bunn WB 3rd, Rogers W. Tracking low back problems in a major self-insured workforce: toward improvement in the patient’s journey. J Occup Environ Med. 2014 Jun;56(6):604-20.


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