This is the first study to describe the daytime evolution of respiratory parameters in mechanically ventilated COVID-19 patients. The data base refers to patients hospitalised in the intensive care unit (ICU) at Arequipa Hospital (Peru. 2335 m) in 2021. In both survivors (S) and non-survivors (NS) patients. https://parisnaturalfoodes.shop/product-category/pure-food-men/