Operative stress response and energy metabolism after laparoscopic cholecystectomy compared to open surgery

Table 5 Artery PO2, PCO2 and SO2 before and after surgery

	Prior to surgery	1st postoperative day	3rd postoperative day
PO2
LC (n = 14)	87.7 ± 4.0	75.9 ± 3.2b	80.94 ± 4.3
OC (n = 12)	80.2 ± 2.2	86.5 ± 9.2	79.81 ± 0.6
PCO2
LC	36.79 ± 1.19	37.09 ± 1.64	34.48 ± 1.75
OC	35.01 ± 1.76	31.83 ± 2.63	37.96 ± 1.88
SO2
LC	96.4 ± 0.40	94.6 ± 0.86b	95.4 ± 0.40a
OC	95.4 ± 0.40	92.73 ± 1.70b	94.0 ± 0.67

^aP < 0.05, vs OC

^bP < 0.05, vs the preoperative period.