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Table 1 Recommended combinations of FiO2 and PEEP. Deviation from the table is allowed in individual patients when indicated and is left to the discretion of the attending physician

From: ICONIC study—conservative versus conventional oxygenation targets in intensive care patients: study protocol for a randomized clinical trial

FiO2 PEEP (cmH2O)
0.21 5
0.30 5
0.40 5
0.40 8
0.50 8
0.50 10
0.60 10
0.70 10
0.70 12
0.70 14
0.80 14
0.90 16
0.90 18
1.00 18
1.00 20
1.00 22
1.00 24