Table 1.

aAo2 Ratios at Varying Fio2 and Pao2 Values

0.30.40.5Fio2
Pao2157226295Pao2
500.320.220.17
600.380.270.20
700.450.310.24
800.510.350.27
900.570.400.31
  • aAo2 ratios assuming BP-47 = 690, Pco2 รท 0.8 = 50.