Always keep SpO2 < 100% (with rare exception).
An SpO2 between 92% to 99% says something about your patient’s condition.
SpO2 PaO2 FiO2 P/F ratio
100 % 600 100% 600
100% 500 100% 500
100% 400 100% 400
100% 300 100% 300
100% 200 100% 200
100% 100 100% 100
99% 90 100% 90
98% 87 100% 87
97% 85 100% 85
96% 82 100% 82
95% 80 100% 80
90% 60 100% 60