• The guardian initially reported on the 50% thing and then added a disclaimer at the end.

    https://www.theguardian.com/society/2020/mar/28/coronavirus-intensive-care-uk-patients-50-per-cent-survival-rate

    This article was amended on 30 March 2020. The headline and first paragraph referred to a 50% mortality/survival rate for coronavirus patients admitted to ICU. Calculations of case fatality rates are complex while an outbreak is ongoing and, although one method can be to divide the number of deaths by the number of deaths plus recovered patients (ie to look only at those patients for whom an outcome is known), its reliability depends on the extent to which the outcome for patients still in treatment can be assumed to be similar. The ICNARC report on which the article’s calculations were based is early data in the Covid-19 outbreak. As such, a small sample of 165 patients, which could be biased towards the most and least severe cases, may not be indicative of the outcome for all those admitted to critical care. The headline, introduction and later reference to death rates have been amended accordingly

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