Fig. 3From: The oxygenation module: the missing link in using sleep apnea devices to treat COVID-19 pneumonia at homeA PaO2 levels in individual patients under two testing conditions. B SaO2 levels in individual patients under two testing conditions. C Mean PaO2 values in all patients cohort breathing by the aid of two compared devices. D Mean SaO2 values in all patients cohort breathing by the aid of two compared devicesBack to article page