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SpO2 (Peripheral oxygen saturation) ranges.
| Group | Unacceptably low | Suboptimally low | Acceptably low | Optimal | Acceptably high | Suboptimally high |
|---|---|---|---|---|---|---|
| Lower PEEP (<10 cmH2O) | <85% | ≥85 and <90% | ≥90 and <93% | ≥93 and ≤97%; >97% if FiO2 = 0.21 | >97 for ≤ 60 s | >97 for >60 s |
| HigherPEEP (≥10 cmH2O) | <80% | ≥80 and <85% | ≥85 and <88% | ≥88 and ≤92%; >92% if FiO2 = 0.21 | >92 for ≤ 60 s | >92 for >60 s |
PEEP, positive end expiratory pressure; FiO2, Fraction of inspired oxygen.
