More hospital deaths on weekends

Experts speculate that those who go to the hospital on weekends are truly sick, or that the quality of hospital care is worse on the weekends.

By

Alison McCook, Reuters

Fri, May 20 2011 at 2:22 PM

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NEW YORK- People admitted to the hospital on the weekend are 10 percent more likely to die than those who check in during the week, according to a new analysis of nearly 30 million people.

Even if 10 percent doesn't sound like much of a difference, when applied to the entire U.S. population it equals tens of thousands of people each year, study author Dr. Rocco Ricciardi of Tufts University Medical School told Reuters Health.

"In other words, an extra 20 to 25 thousand people die each year in the United States because of admission on a weekend," he said.

This is not the first study to uncover a "weekend effect," in which patients are likely to fare worse during the weekends. Previous research has shown a "weekend effect" for patients admitted to the hospital for a heart attack, a blood clot in a lung, a ruptured abdominal artery and strokes of all kinds.

Still, the data are not always consistent: earlier this year, a survey of Pennsylvania hospitals found that people with injuries fare slightly better on weekends.

The current study is based on an analysis of a national sample of close to 30 million people who were admitted to hospitals in 35 states during a five-year period. All were admitted for "non-elective" reasons, which represents most admissions, Ricciardi noted.

Reporting in the Archives of Surgery, he and his colleagues found that 2.7 percent of the people admitted during the weekend died while in the hospital, which happened to only 2.3 percent of those admitted on a weekday.

It's not entirely clear why people might fare worse when they come in during the weekend, Ricciardi said in an email. Looking specifically at traumas, he and his colleagues found no differences in death rates between weekend and weekday arrivals, which helps eliminate the possibility that people experience more life-threatening accidents on weekends.

But it's possible that care is different on weekends, he said — perhaps there is less nursing, fewer well-trained doctors, or less access to imaging and other necessary tools.

"Either (1) the patients coming to the hospital on weekends are sicker or else (2) the hospital is doing a worse job of treating them," said Dr. Raman Khanna at the University of California at San Francisco, who was not involved in the study.

Since the researchers found no differences in trauma rates, and also took into account whether weekend arrivers had other illnesses that could make them sicker, "the authors can make the case that number 2 is more likely," he told Reuters Health in an email.

Ricciardi and his team also looked at death rates by admission day for different diagnoses, and saw that not all fared worse on the weekends. This is likely because some categories — such as trauma — have specific steps that are followed each time, said Ricciardi. "Thus services are the same whether it is nighttime, daytime, or weekend or weekday."

The categories that did fare worst on weekends included problems with pregnancy and the female reproductive system, blood cell and bone marrow disorders, and circulatory and nervous system problems.

The findings suggest that hospitals should focus their efforts on those specific conditions, Khanna said, "rather than a blanket increase in nursing ratios for everyone at every hospital over the weekend, since a more tailored solution may be just as effective while far less expensive."

On the Web: Archives of Surgery, online May 16, 2011.

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Comment: 1

margarett May 26 2011 at 12:16 PM

I don't know why I wasn't that surprised by this article, but it did send many different thoughts through my head. I am in college, and I have seen many of my friends work long, stressful weeks, studying and writing papers, and when the weekend comes, they suddenly start feeling sick, or develop a nasty cough. I think high-stress environments can contribute to sickness while at the same time suppressing them. One doesn't realize that they are sick because of the stress until the stress goes away

.... More

and sickness kicks in. This isn't totally relevant, since they are talking mostly about pregnancy and the female reproductive system, blood cell and bone marrow disorders, and circulatory and nervous system problems, but it's just a thought.

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