Figure 1.

Comparison of the most severe clinical course between the COVID-19 patients with bronchiectasis and those without bronchiectasis. Patients receiving oxygen therapy did not include cases receiving MV treatment or ECMO and mortality cases; those receiving MV treatment did not include cases receiving ECMO and mortality cases; those receiving ECMO did not include mortality cases.

COVID-19, coronavirus disease 2019; ECMO, extracorporeal membrane oxygenation; ICU, intensive care unit; MV, mechanical ventilation.