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Distribution of COVID-19 patients in China 2020, by symptom severity

Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity

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OWID; Chinese Center for Disease Control and Prevention Use Ask Statista Research Service

Release date

March 2020



Survey time period

as of February 11, 2020

Number of respondents

44,415 patients

Supplementary notes

Symptoms were categorized as mild, severe or critical as follows:
Mild cases: include all patients without pneumonia or cases of mild pneumonia.
Severe cases: include patients who suffered from shortness of breath, respiratory frequency ≥ 30/minute, blood oxygen saturation ≤93%, PaO2/FiO2 ratio <300,37 and/or lung infiltrates >50% within 24–48 hours.
Critical cases: include patients who suffered respiratory failure, septic shock, and/or multiple organ dysfunction or failure.

The source does not specify the release date. The publication date stated here is the date of access.

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