Fig. 1

Association between the incidence of invasive mechanical ventilation and four indicators of critical care capacity. Association between the incidence of invasive mechanical ventilation per 100,000 COVID-19 patients and four indicators of critical care capacity, including numbers of ICU beds, HDU beds, resource-rich ICU beds, and intensivists per 100,000 individuals. IMV invasive mechanical ventilation; COVID-19 coronavirus disease 2019; ICU intensive care unit; HDU high-dependency care unit