Table 1

Symptom prevalence across different COVID-19 severity levels

SymptomPrevalence of symptoms (%)
Mild cohort* (n=2585)Mixed cohort† (n=55 924)Inpatient cohort‡ (n=25 477)
Breathlessness4.818.665.2
Dry cough40.867.768.0
Fever25.987.9§66.4
Fatiguen/an/a35.0
Confusion0.0n/a23.3
Wet cough25.333.420.1
Diarrhoea6.93.716.4
Nausea and vomiting2.45.016.3
Muscle and joint pain18.614.814.6
Chest tightnessn/an/a11.5
Headachen/a13.68.7
Abdominal painn/an/a8.2
Wheezen/an/a8.0
Sore throatn/a13.96.8
Haemoptysisn/a0.92.6
Runny nose12.8n/a2.3
Conjunctival congestion20.60.80.3
  • *Sung et al discussed previously.9

  • †55 924 PCR-confirmed positive cases from China were analysed in February 2020. Fever in this study was defined as temperature >37.2°C (WHO-China Joint Mission).61

  • ‡A further inpatient cohort (n=25 477) examined symptoms at presentation to hospitals in the UK between February and May 2020. Overall mortality was 35%.62

  • §Fever was defined in this cohort as >37.2°C.