O Saturation Predicted the ICU Stay of COVID-19 Patients in a Hospital at Altitude: A Low-Cost Tool for Post-Pandemic.

: Patients at high altitudes with COVID-19 may experience a decrease in their partial oxygen saturation (POS) levels. The objective was to assess the association between POS and intensive care unit (ICU) stay in patients at high altitudes with COVID-19. : Clinical records of 69 COVID-19 patients (36% women) admitted to the ICU were analyzed.