Table 2

ORs for the association between variable conditions and the persistence of symptoms beyond the time of examination

ConditionOR (95% CI)
Duration of symptoms ≥7 days1.56 (0.37 to 6.70)
Anosmia/ageusia1.04 (0.23 to 4.66)
Impaired physical fitness1.73 (0.40 to 7.44)
Fever0.86 (0.16 to 4.55)
Exertional dyspnoea4.22 (0.70 to 25.63)
Headache1.22 (0.29 to 5.20)
Allergies1.86 (0.41 to 8.48)
No concomitant disease1.18 (0.26 to 5.28)
Smoker2.63 (0.46 to 15.04)
Previous vaccination (SARS-CoV-2)1.22 (0.27 to 5.50)
  • None of the listed conditions had the potential to predict ongoing symptoms and a possible development of a ‘post-COVID-19 syndrome’.