Table 2 The Berlin Definition of ARDS categorizes patients according to the severity of their oxygenation deficit; increasing severity is associated with increased mortality [1]
From: ARDS Subphenotypes: Understanding a Heterogeneous Syndrome
Severity | PaO2:FiO2 ratio (mmHg) | Patients (%) | Mortality (%) |
|---|---|---|---|
Mild | 201–300 | 22 | 27 |
Moderate | 101–200 | 50 | 32 |
Severe | ≤100 | 28 | 45 |