China: distribution of novel coronavirus patients by symptom severity 2020

According to a report based on 44,415 confirmed cases of the novel coronavirus COVID-19 in China published in February 2020, critical conditions accounted for about five percent of the total. Critically ill patients suffered from symptoms such as respiratory failure, multiple organ dysfunction, and septic shock.

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

Characteristic	Share of patients
Mild cases	81%
Severe cases	14%
Critical cases	5%

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Sources

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

Release date

March 2020

More information

Region

China

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.

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