NEW YORK : On April 22, researchers at Northwell Health, a major hospital system in the New York area, reported a stunning 88% death rate among Covid-19 patients on ventilators.
The number was published in the prestigious Journal of the American Medical Association and made headlines across the country.
Two days later, the journal issued a clarification amid a flurry of harsh criticism from scientists on Twitter. The abstract replaced the frightening 88% figure with a far more reassuring metric: Only 24.5% of coronavirus patients on ventilators at Northwell Health had died so far, the new version said.
Yet none of the underlying mortality data in the study had changed. What happened? And which number is right? As it turns out, both are.
Read more on livemint.com