Effects of fluid therapy combined with a preoperative glucose load regimen on postoperative recovery in patients with rectal cancer

Table 7 Comparison of oxygen metabolism in brain tissue, mean ± SD

Group	Number of cases	Left rScO2 (%)			Right rScO2 (%)
		T1	T2	T3	T1	T2	T3
Observation group	92	72.05 ± 6.25	68.41 ± 5.05	66.10 ± 6.31	70.22 ± 6.37	67.08 ± 5.40	65.11 ± 4.06
Control group	92	72.11 ± 6.45	64.25 ± 5.11	62.08 ± 6.16	70.40 ± 6.49	64.99 ± 5.19	61.78 ± 4.27
t value		0.064	5.554	4.373	0.190	2.677	5.421
P value		0.949	< 0.001	< 0.001	0.850	0.008	< 0.001