Oxygenation & Gas Exchange
Oxygen Saturation Index (OSI)
Development preview · Needs clinical review · Not validated for clinical use. Last clinical review: pending.
Calculated result
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Formula & limitations
OSI = mean airway pressure × FiO₂ (%) / SpO₂ (%)
Pulse oximetry limitations and patient population affect interpretation. No OI equivalence or severity classification is inferred.