We stratified post-COVID patients into four newly established clinical groups based on the presence or absence of at least one subjective respiratory symptom and at least one objective sign of pulmonary involvement. Nearly half of outpatients and one third of hospitalized post-COVID patients had objective signs of pulmonary involvement without accompanying subjective respiratory symptoms three months after diagnosis.

Department of Infectious Diseases University Hospital Hradec Kralove Hradec Kralove Czechia

Department of Otorhinolaryngology and Head and Neck Surgery University Hospital Hradec Kralove Hradec Kralove Czechia

Department of Pneumology University Hospital Hradec Kralove Hradec Kralove Czechia

Department of Radiology University Hospital Hradec Kralove Hradec Kralove Czechia

Faculty of Medicine in Hradec Kralove Charles University Prague Czechia

Faculty of Military Health Science Hradec Kralove University of Defense Brno Czechia

Institute of Medical Microbiology University Hospital Hradec Kralove Hradec Kralove Czechia

Masaryk University Institute of Biostatistics and Analyses Brno Czechia

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$a Heterogeneity of post-COVID impairment: interim analysis of a prospective study from Czechia / $c M. Skala, M. Svoboda, M. Kopecky, E. Kocova, M. Hyrsl, M. Homolac, V. Chrobok, P. Bostik, M. Fajfr, P. Prasil, S. Plisek, R. Sleha, V. Koblizek

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$a We stratified post-COVID patients into four newly established clinical groups based on the presence or absence of at least one subjective respiratory symptom and at least one objective sign of pulmonary involvement. Nearly half of outpatients and one third of hospitalized post-COVID patients had objective signs of pulmonary involvement without accompanying subjective respiratory symptoms three months after diagnosis.

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