This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
Oxygen Saturation Index (OSI)
FiO₂ × mean airway pressure × 100 ÷ SpO₂ – non-invasive alternative to the OI (SpO₂ ≤ 97 %)
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.