Scientists identify six different types of COVID-19: study

British scientists have determined that there are six different “types” of COVID-19 distinguished by specific groups of symptoms – which may help in the treatment of fatal contagion.

The study, conducted by King’s College London, analyzed data from about 1,600 UK and US coronavirus patients who regularly logged their symptoms in a tracking app in March and April.

The findings showed that by the fifth day of the virus’s progression, six different clusters of symptoms emerge, which researchers say can help doctors better treat individual patients to predict whether they What level of care is required in the hospital.

King College London leading researcher Drs. “Our study shows the importance of timely symptom monitoring to make our predictions about individual risk and outcomes more sophisticated and accurate,” said Carole Sudre.

“This approach is helping us understand the untold story of this disease in each patient so that they receive the best care possible.”

All those who had logged their symptoms had a loss of smell and headache, but then there was a different combination of side-effects less known as disease – including confusion, abdominal pain, and shortness of breath. was.

Six groups were broken up by order of severity:

  1. Flu-like with fever: headache, lack of smell, muscle aches, cough, sore throat, chest pain, no fever.
  2. Flu-like with fever: headache, smell, cough, sore throat, hoarseness, fever, loss of appetite.
  3. Gastrointestinal: headache, lack of smell, loss of appetite, diarrhea, sore throat, chest pain, no cough.
  4. Severe level one, fatigue: headache, lack of smell, cough, fever, hoarseness, chest pain, fatigue.
  5. Serious level two, confusion: headache, loss of smell, loss of appetite, cough, fever, hoarseness, sore throat, chest pain, fatigue, confusion, muscle aches.
  6. Severe level three, stomach and respiratory: headache, lack of smell, loss of appetite, cough, fever, sore throat, sore throat, chest pain, fatigue, confusion, muscle aches, shortness of breath, diarrhea, abdominal pain .
King's College London

The first three clusters were more common in young and healthy patients, while the last three more “severe” symptoms were more likely to occur in older patients or in conditions such as diabetes, lung disease, and obesity.

Researchers found that only 1.5% of those with cluster 1, 4.4% of those with cluster 2, and 3.3% of those with cluster 3, such as excess oxygen or ventilators, are required.

But the probability of requiring breath support in the latter three groups was 8.6%, 9.9% and 19.8%, respectively.

The scientists said that about half of the patients in Cluster 6 ended up in the hospital, compared to just 16%. Most COVID-19 patients require hospitalization on the 13th day after their first symptoms.

But being able to identify which cluster the patient falls into by the fifth day of symptoms will give doctors an early warning about whether the person will need intensive care.

Dr. of King’s College London “These findings have important implications for the care and monitoring of people who are sensitive to severe COVID-19,” said Claire Steeves.

“If you can estimate that these people are five days old, then you have time to give them support and early intervention to monitor blood oxygen and glucose levels and hydrate them properly, and ensure Doing that they can be kept at home – simple care, preventing hospitalization and saving lives. “

The first group made up the largest proportion of participants, with 462 patients, while the second group had 315 patients, the third with 216, the fourth with 280, the fifth with 213 and the sixth with 167 patients.

The study has not been peer reviewed.


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