Table 3

Statements where consensus for inclusion in the definition is achieved or close to consensus and discussed at the consensus meeting

StatementN (%) voting for inclusionN (%) of CYP voting for inclusionDecision
At least one positive COVID-19 test needed17 (100)6 (75)*Include
Burden of symptoms
The young person has symptoms that continue or develop after COVID-19 which impact their physical, mental or social well-being17 (100)8 (100)Include
The young person has symptoms that are interfering with some aspect of daily living (eg, school, work, home, relationships)17 (100)7 (100)*Include
The impact of the symptoms on functioning is at least moderate11 (65)0 (0)Exclude
Persisting physical symptoms
1 or more persisting physical symptoms17 (100)7 (88)*Include
Persist for a minimum duration of 12 weeks after initial testing even if symptoms waxed and waned over that period17 (100)7 (88)*Include
Persist for more than 3 months after initial testing and are from the list of common symptoms (ie, unusual tiredness, headaches, shortness of breath, loss of smell or taste, dizziness)0 (0)0 (0)Exclude
Persist for more than 1 month after initial testing0 (0)0 (0)Exclude
Tests to exclude other diseases
A negative glandular fever (monospot, antibody or EBV PCR) test0 (0)1 (13)Exclude
A normal full blood count, CRP, ESR, urea and electrolytes, creatinine, calcium, liver function tests, random blood glucose0 (0)0 (0)Exclude
  • *One CYP was unable to vote due to technical problems.

  • CRP, C reactive protein; CYP, children and young people; EBV PCR, Epstein Barr virus polymerase chain reaction.