Industry Research

Study Supports Benefits of Evidence-Based Medicine

Researchers produced what they believe is the first scientific proof that consistently applied treatment guidelines are effective in treating injured workers.
By: | December 14, 2015 • 9 min read
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Workers’ comp claims that follow evidence-based medicine guidelines have shorter durations and lower medical costs, according to a new study. The research suggests significantly improved outcomes and cost savings can result when medical providers follow recommendations based on peer-reviewed evidence in workers’ compensation treatment guidelines.

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While nearly all jurisdictions either have or are considering the adoption of evidence-based medicine guidelines in their workers’ comp systems, there is almost no published scientific evidence confirming their efficacy or mechanism for improvements. But a team from a workers’ comp insurance carrier and Johns Hopkins University School of Medicine have produced what they believe is the first scientific proof that consistently applied treatment guidelines are effective in treating injured workers.

“We set out to prove or disprove empirically that adherence to EBM guidelines was impactful,” said Jack Tower, senior data scientist at the Accident Fund Holdings Medical Center of Excellence. “We were able to do that.”

The researchers developed a methodology to measure adherence to the Official Disability Guidelines from the Work Loss Data Institute and used an adherence score to compare the outcomes for different case mix adjusted claims populations. They found that claims in which there was at least a 50 percent adherence to the guidelines had 13.2 percent shorter durations and 37.9 percent lower medical costs.

“That kind of gives a strong impetus to implement new medical management strategies based on the results,” Tower said. “Carriers and the work comp industry could benefit from developing programs that embrace the concepts behind EBM.”

Evidence-Based Medicine

The idea of evidence-based medicine is to improve the medical decision-making process by emphasizing the use of scientific research and medical consensus. While it has been around for the last several decades, evidence-based medicine has only recently become widespread in the workers’ comp system.

“The application of evidence-based medicine in workers’ comp is much different from the application of evidence-based medicine in the group health world,” said Jeffrey Austin White, director of Innovation for Accident Fund. “In group health the evidence-based medicine guidelines have been scrutinized by the medical professionals as they are limited in scope and typically used to control cost in a hospital setting by limiting reimbursement rates.”

“This study provides a mechanism for evaluating an EBM guideline and can be used to identify how they might be improved in the future.” — Jeffrey Austin White, director of innovation, Accident Fund Holdings

However, White argues that the workers’ compensation guidelines are much more focused and comprehensive. “Evidence-based medicine [in workers’ comp] encompasses tens of millions of claims having similar incoming diagnoses. The guidelines provide outcome expectations at the diagnosis and treatment level for the majority of workplace injuries,” White explained. “When the diagnosis is made, the evidence-based medicine guidelines define how often a treatment is administered, along with the expected cost and time off from work. It’s a much different way to apply evidence-based medicine than is typically done in the group health setting.”

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In addition to the Official Disability Guidelines, the American College of Occupational and Environmental Medicine has also created evidence-based medicine guidelines. A majority of states have adopted or are considering adopting either of the two national guidelines, a combination of the two, or homegrown guidelines that are state-specific to improve consensus around the definition of “necessary and appropriate” treatments for injured workers.

But “there’s a paucity of research around evidence-based medicine and best practice protocols,” said Dr. Dan Hunt, corporate medical director of Accident Fund. “We wanted to use our research to come up with hard facts — things that are true — to help improve the care for injured workers whether it’s Official Disability Guidelines, ACOEM, or another to say ‘here’s objective research that shows these guidelines work.’”

The researchers wanted to show whether and to what extent evidence-based medicine works specifically in the workers’ comp population. “There is a lot of literature that suggests the correct ways to do things medically but many times they are not really proven from an outcomes point of view,” said Dr. Edward Bernacki, professor of medicine and director of the division of occupational medicine at the Johns Hopkins University School of Medicine. “The medical care may be better, but does it really affect costs and return to work?”

The Study

Previous research from Accident Fund in conjunction with Johns Hopkins has highlighted some of the reasons for the increasing use of opioids in the workers’ comp system. One study, for example showed the use of opioids was an independent predictor of catastrophic claims costs while another identified physician dispensing as a driver of the increased use and costs.

“We found that physicians were contributing to [the opioid problem] and asked ourselves ‘Why?’ Our hypothesis was that providers were not using guidelines to help make administration decisions,” White said. “We thought by developing an algorithm or methodology to analyze a historical cohort of claims that we might be able to see a difference in outcomes between case mix adjusted claims that had various degrees of compliance with the guidelines.”

The idea of the study was to develop a technique for testing the safety and efficacy of an evidence-based medicine guideline rather than to drive public policy decisions on treatment practices.

It’s one of those situations where everyone wins — the employee returns to work and medical costs are constrained. To me, it’s a win-win.” — Dr. Edward Bernacki, professor of medicine and director of the division of occupational medicine, Johns Hopkins University School of Medicine

“If a state mandates the use of evidence-based medicine guidelines for the treatment of injured workers we are legally obligated to use them. If there are no mandated legislative guidelines, we are inclined to promote prospective guidelines that have been shown to reduce system costs and positively impact injured worker outcomes,” White said. “It’s important for us to know which guidelines work and why. This study provides a mechanism for evaluating an EBM guideline and can be used to identify how they might be improved in the future.”

Measuring Evidence-Based Medicine

The team developed two separate analytical techniques; one to stratify each claim for medical complexity and another to determine the adherence to the Official Disability Guidelines. The claims were divided into 10 levels of medical complexity and scored based on adherence.

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“The number one challenge when doing claims research is being able to group claims into like claims,” White explained. “You don’t want to compare a claim with a broken finger to a claim with head trauma.”

The group started with non-catastrophic, indemnity claims that spanned the years 2008 to 2012 of the insurer’s data. They considered open and closed claims using a two-year development cutoff.

The researchers developed a compliance score to determine adherence to the Official Disability Guidelines. The score assigns a quantitative value to the claim indicating approximately how many of the treatments were consistent with the recommendations from the guidelines.

They case mix adjusted the claims and compared those with greater than a 50 percent adherence to evidence-based medicine guidelines to those with less than 50 percent adherence for the differences in claim durations and medical costs incurred. Using data from Official Disability Guidelines, the researchers identified the adherence of every procedure given a specific diagnosis for each claim based on the following four codes:

Green flags in the Official Disability Guidelines indicate the procedure is recommended based on prevalence, medical consensus, and historical claim outcomes.

Yellow flags indicate the procedure is a common treatment for that diagnosis and should be allowed on a limited basis with a restriction on the number of times it should be performed.

Red flags denote low prevalence in workers’ comp and that the treatment is not necessarily indicated based on current scientific research, i.e., recommendation is to review.

Black flags indicate inappropriate care and possibly denial of service.

“For every diagnosis and treatment, we label it with the corresponding colors; then we determine an adherence score at the claim level,” White said. “For a given claim, you can consider the cumulative number of green, yellow, red and black flags, and you can devise a score that indicates the level of compliance which can be compared against like claims.”

Based on the scores, the claims were separated. Those with mainly green and yellow flags, for example, were deemed as fairly compliant with the guidelines while those with many black flags were noncompliant.

“If you break the claims into two buckets, you can compare outcomes of the compliant group with the noncompliant group,” White said. “So for two broken finger injuries where one received compliant and the other noncompliant care, you can see how they differ in duration and medical cost.”

Results

The average for all levels of medical complexity showed claims in the low compliance group had a 13.2 percent increase in claim duration and a 37.9 percent increase in medical costs compared to the high compliance group, the study found.

The numbers increased as the medical complexity of a claim increased. In looking at the top 10 percent of claims for medical complexity, there was a difference in claim duration of 18 percent and increased medical costs of 38 percent, between the low and high compliance groups.

The researchers also found there were more black flag procedures in the low compliance group — 3.5 times the number in the high compliance group.

“I think our research in essence provides evidence that if you do employ these guidelines the outcomes are better,” Johns Hopkins’ Bernacki said. “This is systematically over time that people return to work faster, for the insurers costs are a little lower, and for folks employing them the premium costs will be lower, so the cost of doing business will be lower. I think it’s one of those situations where everyone wins — the employee returns to work and medical costs are constrained. To me, it’s a win-win.”

Future Research

“It’s awfully exciting to be a part of a landmark study. No one else has done this before,” Hunt said. “The ability to develop an adherence process for claims management will have a lot of applications across the whole health care spectrum.”

Hunt, who called the study a “gargantuan undertaking,” hopes it will lead to additional studies that drill down more into the findings. “Age, jurisdictional differences — there are a whole host of really interesting things we can do now,” he said. “You’re going to see additional papers once this method is established.”

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For now, the authors hope the findings will help spur action in states that currently do not use evidence-based medicine guidelines in their workers’ comp systems. With properly worded legislation and effective dispute resolution processes in place, evidence-based medicine guidelines should offer better outcomes for everyone.

They hope workers’ comp practitioners will begin using the methodology they’ve created to further refine evidence-based medicine guidelines. In fact, they have developed a 10-step process for companies to replicate the results.

“It’s like a recipe. With evidence-based medicine guidelines, you can quantify exactly how much of each ingredient you put in and therefore enhance your ability to refine, measure, and improve your results over time. At least that is what EBM tries to do,” White said. “It’s a recipe that applies to, say 80 percent of the population most of the time. The recipe should reduce system costs and facilitate cooperation from both sides of the business — payers and providers alike.”

Nancy Grover is the president of NMG Consulting and the Editor of Workers' Compensation Report, a publication of our parent company, LRP Publications. She can be reached at [email protected]
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2016 NWCDC

Technology Gives the Gift of Movement

Advanced medical technology is costly, but greatly improves quality of life for workers with catastrophic injuries.
By: | December 1, 2016 • 2 min read
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The ability to stand and walk unassisted is something most of us take for granted, but many catastrophically injured workers face a lifetime either confined to a wheelchair or relying on a prosthetic to help them move.

Luckily, advancements in medical technology are making movement easier.

Mark Sidney, VP, claims, Midwest Employers Casualty Co., and Clare Hartigan, project manager, Virginia C. Crawford Research Institute, Shepherd Center, discussed these advancements at a Thursday afternoon NWCDC session titled “The Bionic Claimant: Emerging Medical Technology’s Impact on Care and Cost.”

“Psychologically, being able to stand and look someone in the eye is a big deal.” — Clare Hartigan, project manager, Virginia C. Crawford Research Institute, Shepherd Center

Technology like myoelectric prostheses and exoskeletons can drastically improve quality of life for catastrophically injured workers, restoring some functionality and a sense of independence.

But this high-tech equipment comes with a hefty price tag.

Myoelectric devices, which use sensors and bioelectric signals to move the limb, can cost as much as $100,000. Exoskeletons are in the same ballpark, and this doesn’t include maintenance or the cost of replacing a device every five years or so.

“The difference in cost between a standard prosthetic and a myoelectric can be $1 million over the lifetime of a claim,” Sidney said.

More long-term studies are needed to prove the medical necessity of this technology, but the benefits are already clear.

“Just being able to get up and move leads to muscle strengthening and improved blood cholesterol and glucose levels,” Hartigan said.

“Psychologically, being able to stand and look someone in the eye is a big deal.”

To determine when a myoelectric device or exoskeleton is appropriate, workers’ compensation professionals should look at the patient’s lifestyle. What type of activities do they do? Are they more happy indoors or out? How often will they use their device?

Ultimately, it comes down to whether or not this advanced machinery will enable them to do things that are impossible with standard devices.

Katie Siegel is a staff writer at Risk & Insurance®. She can be reached at [email protected]
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Sponsored Content by Nationwide

Hot Hacks That Leave You Cold

Cyber risk managers look at the latest in breaches and the future of cyber liability.
By: | December 1, 2016 • 5 min read

Nationwide_SponsoredContent_1016Thousands of dollars lost at the blink of an eye, and systems shut down for weeks. It might sound like something out of a movie, but it’s becoming more and more of a reality thanks to modern hackers. As technology evolves and becomes more sophisticated, so do the occurrence of cyber breaches.

“The more we rely on technology, the more everything becomes interconnected,” said Jackie Lee, associate vice president, Cyber Liability at Nationwide. “We are in an age where our car is a giant computer, and we can turn on our air conditioners with our phones. Everyone holds data. It’s everywhere.”

Phishing Out Fraud

According to Lee, phishing is on the rise as one of the most common forms of cyber attacks. What used to be easy to identify as fraudulent has become harder to distinguish. Gone are the days of the emails from the Nigerian prince, which have been replaced with much more sophisticated—and tricky—techniques that could extort millions.

“A typical phishing email is much more legitimate and plausible,” Lee said. “It could be an email appearing to be from human resources at annual benefits enrollment or it could be a seemingly authentic message from the CFO asking to release an invoice.”

According to Lee, the root of phishing is behavior and analytics. “Hackers can pick out so much from a person’s behavior, whether it’s a key word in an engagement survey or certain times when they are logging onto VPN.”

On the flip side, behavior also helps determine the best course of action to prevent phishing.

“When we send an exercise email to test how associates respond to phishing, we monitor who has clicked the first round, then a second round,” she said. “We look at repeat offenders and also determine if there is one exercise that is more susceptible. Once we understand that, we can take the right steps to make sure employees are trained to be more aware and recognize a potentially fraudulent email.”

Lee stressed that phishing can affect employees at all levels.

“When the exercise is sent out, we find that 20 percent of the opens are from employees at the executive level,” she said. “It’s just as important they are taking the right steps to ensure they are practicing what they are preaching.”

Locking Down Ransomware

Nationwide_SponsoredContent_1016Another hot hacking ploy is ransomware, a type of property-related cyber attack that prevents or limits users from accessing their system unless a ransom is paid. The average ransom request for a business is around $10,000. According to the FBI, there were 2,400 ransomware complaints in 2015, resulting in total estimated losses of more than $24 million. These threats are expected to increase by 300% this year alone.

“These events are happening, and businesses aren’t reporting them,” Lee said.

In the last five years, government entities saw the largest amount of ransomware attacks. Lee added that another popular target is hospitals.

After a recent cyber attack, a hospital in Los Angeles was without its crucial computer programs until it paid the hackers $17,000 to restore its systems.

Lee said there is beginning to be more industry-wide awareness around ransomware, and many healthcare organizations are starting to buy cyber insurance and are taking steps to safeguard their electronic files.

“A hospital holds an enormous amount of data, but there is so much more at stake than just the computer systems,” Lee said. “All their medical systems are technology-based. To lose those would be catastrophic.”

And though not all situations are life-or-death, Lee does emphasize that any kind of property loss could be crippling. “On a granular scale, you look at everything from your car to your security system. All data storage points could be controlled and compromised at some point.”

The Future of Cyber Liability

According to Lee, the Cyber product, which is still in its infancy, is poised to affect every line of business. She foresees underwriting offering more expertise in crime and becoming more segmented into areas of engineering, property, and automotive to address ongoing growing concerns.”

“Cyber coverage will become more than a one-dimensional product,” she said. “I see a large gap in coverage. Consistency is evolving, and as technology evolves, we are beginning to touch other lines. It’s no longer about if a breach will happen. It’s when.”

About Nationwide’s Cyber Solutions

Nationwide’s cyber liability coverage includes a service-based solution that helps mitigate losses. Whether it’s loss prevention resources, breach response and remediation expertise, or an experienced claim team, Nationwide’s comprehensive package of services will complement and enhance an organization’s cyber risk profile.

Nationwide currently offers up to $15 million in limits for Network Security, Data Privacy, Technology E&O, and First Party Business Interruption.

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Products underwritten by Nationwide Mutual Insurance Company and Affiliated Companies. Not all Nationwide affiliated companies are mutual companies, and not all Nationwide members are insured by a mutual company. Subject to underwriting guidelines, review, and approval. Products and discounts not available to all persons in all states. Home Office: One Nationwide Plaza, Columbus, OH. Nationwide, the Nationwide N and Eagle, and other marks displayed on this page are service marks of Nationwide Mutual Insurance Company, unless otherwise disclosed. © 2016 Nationwide Mutual Insurance Company.

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This article was produced by the R&I Brand Studio, a unit of the advertising department of Risk & Insurance, in collaboration with Nationwide. The editorial staff of Risk & Insurance had no role in its preparation.




Nationwide, a Fortune 100 company, is one of the largest and strongest diversified insurance and financial services organizations in the U.S. and is rated A+ by both A.M. Best and Standard & Poor’s.
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