US LEADS 19 NATIONS IN COVID-19, ALL-CAUSE DEATH RATES

Two research letters published today in JAMA estimate excess deaths due to COVID-19 and other causes in different countries since the pandemic began, one finding a higher coronavirus death rate in the United States than in 18 other countries since early May, and the other showing that the overall US death rate rose 20% from March to August, with 67% of the excess deaths attributable to the virus.

 

DECENTRALIZED, INCONSISTENT RESPONSE

In the first study, researchers at Harvard and the University of Pennsylvania compared COVID-19–related death rates in the United States through Sep 19 with those in 18 other countries with populations exceeding 5 million and at least $25,000 per capita gross domestic product. They also compared rates of death from any cause for 14 countries with available data through Jul 25.

 

By Sep 19, the United States had recorded 198,589 COVID-19–related deaths, for a death rate of 0.06%, higher than countries with low and moderate coronavirus death rates but similar to those with high death rates. For example, the death rate in Australia, considered a low-mortality country, was 0.003%, while Canada, a moderate-mortality country, had a 0.02% death rate.

 

On the high-mortality end of the spectrum, Italy’s COVID-19 death rate was 0.06%, while Belgium’s was 0.09% throughout the pandemic. But, since May 10, the United States’ rate has exceeded that of all other countries studied.

 

If the coronavirus death rate in the United States were similar to that of Australia, it would have had 187,661 fewer COVID-19 deaths (94% of reported deaths), and, compared with Canada, it would have had 117,622 fewer deaths (59%).

 

Before May 10, the United States had a lower coronavirus death rate than other high-mortality countries, but after that date, all six of the other high-mortality countries (Belgium, France, the Netherlands, Spain, Sweden, and the United Kingdom) had lower death rates than the United States. For example, Italy’s death rate from May 10 to Sep 19 was 0.01%, compared with 0.04% in the United States.

 

If US death rates were similar to those of most high-mortality countries starting on May 10, it would have had 44,210 to 104,177 fewer deaths (22% to 52%); if the start date were changed to Jun 7, it would have had 28% to 43% fewer deaths.

 

The patterns for COVID-19 deaths and excess all-cause deaths were similar in the 14 countries with available all-cause death rates. Countries with a moderate coronavirus death rate saw only slight increases in deaths from any cause, but those with high coronavirus death rates also saw high excess all-cause death rates (for example, 0.1% in Spain and 0.07% in the United States). But since May 10, the United States has had the highest all-cause death rate of all high-mortality countries.

 

The authors concluded that COVID-19 deaths and excess deaths from any cause in the United States likely were due to a poor pandemic response rather than an early surge of coronavirus cases before virus prevention and treatment methods were improved.

 

“Compared with other countries, the US experienced high COVID-19–associated mortality and excess all-cause mortality into September 2020,” the authors wrote. “After the first peak in early spring, US death rates from COVID-19 and from all causes remained higher than even countries with high COVID-19 mortality. This may have been a result of several factors, including

 

weak public health infrastructure and a decentralized, inconsistent US response to the pandemic.”

 

UNDERRECOGNITION, DISRUPTION

In the second study, researchers at Virginia Commonwealth University and Yale analyzed population data and COVID-19 and all-cause death data for 48 US states and Washington, DC, from the National Center for Health Statistics and the US Census Bureau.

 

From Mar 1 to Aug 1, 1,336,561 people died in the United states, 225,530 (20%) more than the 1,111,031 deaths that would have been expected based on historic data. Of the 225,530 excess deaths, 150,541 (67%) were attributed to the coronavirus.

 

Excess deaths attributed to heart disease also increased significantly in the weeks ending Mar 21 and Apr 11, corresponding to case surges, while deaths from Alzheimer’s disease/dementia rose twice during that period and between the weeks ending Jun 6 and Jul 25, the latter corresponding to surges in Sun Belt states.

 

“The high death counts in Sun Belt states show us the grave consequences of how some states responded to the pandemic and sound the alarm not to repeat this mistake going forward,” lead author Steven Woolf, MD, of Virginia Commonwealth University (VCU), said in a university press release. “We can’t prove causally that the early reopening of those states led to the summer surges. But it seems quite likely,” he said.

 

The states with the highest excess death rates, which ranged from 22% in Rhode Island to 65% in Michigan and New York, also included Arizona, Delaware, Louisiana, Maryland, Massachusetts, Mississippi, and New Jersey.

 

While 30% of the excess deaths occurred in Massachusetts, New Jersey, and New York, these states also had the shortest initial outbreaks, at less than 10 weeks. States that had surges in April and reopened later saw excess death rates return to normal in May, while those that reopened earlier experienced increased excess deaths throughout the summer.

 

The study was an update of an analysis of excess deaths during March and April, published in JAMA on Jul 1, that found that 65% of excess deaths during that time were attributed to COVID-19 and that deaths from non-coronavirus causes such as Alzheimer’s disease, diabetes, and heart disease jumped in the five states with the most COVID-19 deaths.

 

“Excess deaths attributed to causes other than COVID-19 could reflect deaths from unrecognized or undocumented infection with [COVID-19] or deaths among uninfected patients resulting from disruptions produced by the pandemic,” the authors wrote.

 

Woolf warns that long-term data may show that the pandemic had a broader effect on death rates, including cancer patients who experienced disruptions to their chemotherapy schedule and women whose mammograms were delayed. “And death is only one measure of health,” he said in the VCU release.

 

“Many people who survive this pandemic will live with lifelong chronic disease complications. Imagine someone who developed the warning signs of a stroke but was scared to call 9-1-1 for fear of getting the virus. That person may end up with a stroke that leaves them with permanent neurological deficits for the rest of their life.”

 

‘MORTIFYING AND MOTIVATING’

In an editorial in the same journal, Harvey Fineberg, MD, PhD, of the Gordon and Betty Moore Foundation in Palo Alto, California, said that although the number of excess deaths cited in the second study is likely only a rough estimate that will change over time, “a general indication of the death toll from COVID-19 and the excess deaths related to the pandemic, as presented by Woolf et al, are sufficiently mortifying and motivating.”

 

“When a pandemic reaches the health, social, and economic scale of COVID-19, regardless of the precise number of deaths that have occurred by a certain date, an intense, persistent, multipronged, and coherent response must be the order of the day and an urgent priority for the nation,” he wrote.

 

In another editorial in the same journal, JAMA Editor-in-Chief Howard Bauchner, MD, and Executive Editor Phil Fontanarosa, MD, MBA, said that the second study results suggest that more than 400,000 excess deaths will have occurred by the end of 2020, the importance of which “cannot be overstated, because it accounts for what could be declines in some causes of death, like motor vehicle crashes, but increases in others, like myocardial infarction.”

 

“These deaths reflect a true measure of the human cost of the Great Pandemic of 2020,” they wrote. “These deaths far exceed the number of US deaths from some armed conflicts, such as the Korean War and the Vietnam War, and deaths from the 2009 H1N1 (swine flu) pandemic, and approach the number of deaths from World War II.”

 

Source: National News Agency

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