Table 4.

Hemogasanalysis in IBW and RBW groups.

	Preoperative	20 min after extubation	120 min after extubation
IBW group
pH	7.42 ± 0.03	7.31 ± 0.02	7.42 ± 0.03
pO2	93.5 ± 3.4	107.2 ± 3.2	95.4 ± 3.1
pCO2	35.8 ± 12.5	42.2 ± 21.4	36.0 ± 15.1
HCO3 −	23.3 ± 1.7	21.3 ± 2.2	23.1 ± 1.4
SpO2	98.4 ± 0.71	98.5 ± 2.3	98.1 ± 1.5
RBW group
pH	7.42 ± 0.02	7.3 ± 0.04	7.4 ± 0.03
pO2	90.5 ± 2.48	135.5 ± 5.5	94.0 ± 2.7
pCO2	37.8 ± 10.7	44.6 ± 35.4	37.7 ± 8.9
HCO3 −	24.4 ± 1.7	22.6 ± 1.8	24.1 ± 2.2
SpO2	97.8 ± 1.6	99.3 ± 0.5	98.0 ± 1.0