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January 8, 2019
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David Burda
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Bundled-Pay Evaluation a Study in Hospital Market-Based Behavior

What would you cut out if you suddenly had to reduce your monthly household expenses by 5 percent, 10 percent, or even 25 percent? I’m sure that some of the things you thought you couldn’t live without instantly would become expendable, and you wouldn’t be sure why you needed them in the first place.

It’s probably no big deal if some of those things were cable TV, bottled water or takeout Chinese food. But what if one of those things was recovering in a skilled-nursing facility after hip replacement surgery? What once you assumed was absolutely necessary suddenly isn’t because you don’t have money for it.

A new study in the New England Journal of Medicine provides what likely is an unintended insight into the market-based behavior of hospitals in its evaluation of one of Medicare’s bundled-payment reimbursement programs.

Researchers looked at the clinical and financial effects of Medicare’s Comprehensive Care for Joint Replacement, or CJR, program. Under the CJR program, which started in 2016, Medicare pays hospitals a fixed rate for hip or knee replacement surgeries that covers the procedures and all related medical services for 90 days after patient discharge.

The researchers compared key clinical and financial results of two groups of hospitals one year before (2015) and two years after (2016 and 2017) the CJR program went into effect. The first group consisted of 803 hospitals that participated in the program. They performed 280,161 hip and knee replacements from 2015 through 2017. The second group consisted of 962 hospitals that didn’t join. They performed 377,278 hip and knee replacements from 2015 through 2017.

Within each group of hospitals, the researchers studied three primary outcomes over that three-year period: average Medicare payment to the hospitals; post-surgical complications rates; and percentage of high-risk patients who underwent the procedures. The researcher then compared the outcomes of the two groups to each other.

The average Medicare payment to the non-participating hospitals dropped 5.5 percent to $23,238. The average payment to the participating hospitals, meanwhile, dropped 7.7 percent to $23,915. There were no significant differences between the two groups of hospitals in terms of changes in complication rates and percentage change in high-risk patients.

That led the researchers to conclude that the CJR program produced “a modest reduction” in spending per surgical episode without any negative impact on patient selection or clinical outcomes. That’s good.

What’s more interesting is how hospitals brought their Medicare payments down over that three-year period. The researchers sorted through a number of secondary outcomes, including utilization measures like use of post-acute care services, length of stay at post-acute care facilities, readmission rates, visits to emergency rooms and 90-day mortality rates.

By far the biggest driver of lower Medicare payments to participating hospitals was using less—and spending less—on post-acute care services to help patients recover. For example, on an average per episode of care basis, the 803 hospitals spent:

  • 35 percent less on long-term care hospitals
  • 30 percent less on inpatient rehabilitation facilities
  • 26 percent less on skilled-nursing facilities
  • 3 percent less on home-health agencies

“Decreased Medicare spending on hip- and knee-replacement episodes at hospitals in the CJR program was nearly exclusively related to reductions in the use of post–acute care services in skilled nursing facilities and inpatient rehabilitation facilities,” the study said. “This is not surprising, because post–acute care services are a large and highly variable fraction of spending in hip- or knee replacement

episodes, and hospitals have strong financial incentives to reduce the frequency of post–acute care services.”

To be fair, CJR hospitals also spent less on durable medical equipment (24 percent) and professional fees (14 percent) over that three-year period to make their numbers.

So what gives? Did hospitals and surgeons and device makers get so good at replacing hips and knees in three years that patients practically skipped out of the operating room and happily waved to rehab units and SNFs on their way home?

A better guess might be that much of that old post-acute care wasn’t really necessary. Patients could recover at home just as well and perhaps even better than they could in a rehab unit or SNF. Patients went to a rehab unit or a SNF because that was the clinical protocol and because Medicare paid for it.

When Medicare changed the financial incentive with the CJR program, hospitals changed their clinical protocols for hip- and knee-replacement patients with no negative impact on clinical outcomes. In fact, complication, mortality and readmission rates dipped.

It makes you wonder how many other things hospitals and doctors are doing because someone at some point said they were absolutely necessary, sand someone paid for them anyway.

The power of market-based reforms lies not just in their ability to improve outcomes and lower costs at the same time. It also lies in their ability to do that quickly by changing provider behaviors with the right incentives.

About the Author

David Burda

David Burda began covering healthcare in 1983 and hasn’t stopped since. Dave writes this monthly column “Burda on Healthcare,” contributes weekly blog posts, manages our weekly newsletter 4sight Friday, and hosts our weekly Roundup podcast. Dave believes that healthcare is a business like any other business, and customers — patients — are king. If you do what’s right for patients, good business results will follow.

Dave’s personnel experiences with the healthcare system both as a patient and family caregiver have shaped his point of view. It’s also been shaped by covering the industry for 40 years as a reporter and editor. He worked at Modern Healthcare for 25 years, the last 11 as editor.

Prior to Modern Healthcare, he did stints at the American Medical Record Association (now AHIMA) and the American Hospital Association. After Modern Healthcare, he wrote a monthly column for Twin Cities Business explaining healthcare trends to a business audience, and he developed and executed content marketing plans for leading healthcare corporations as the editorial director for healthcare strategies at MSP Communications.

When he’s not reading and writing about healthcare, Dave spends his time riding the trails of DuPage County, IL, on his bike, tending his vegetable garden and daydreaming about being a lobster fisherman in Maine. He lives in Wheaton, IL, with his lovely wife of 40 years and his three children, none of whom want to be journalists or lobster fishermen.

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