. 2022 Oct;14(10):4012–4030. doi: 10.21037/jtd-22-1165

Table 7. Comparison of StO₂ between the two groups at each time point (n=30, $\bar{x} \pm s$ ).

Indicator	Group	T0	T1	T2	T3	T4	T5	T6
StO₂ (%)	SV	70.3±5.2	72.4±4.2^a	72.8±3.8	76.0±3.9^ab	76.6±3.8^ab	77.1±3.3^ab	75.3±3.7^a
StO₂ (%)	MV	70.7±2.7	72.7±3.4^a	71.8±4.4	71.8±5.1	71.7±4.7	72.2±5.0	73.9±4.3^a

^a, P<0.05, compare to T0; ^b, P<0.05 compared to the MV group. StO₂, brain tissue oxygen saturation; T0, preoperative; T1, anesthesia induction intubation; T2, beginning of operation; T3, 15 min after the operation began; T4, 30 min after the operation began; T5, 45 min after the operation began; T6, end of the operation; SV, spontaneous ventilation; MV, mechanical ventilation.

Table 7. Comparison of StO2 between the two groups at each time point (n=30, x¯±s).

Table 7. Comparison of StO₂ between the two groups at each time point (n=30, $\bar{x} \pm s$ ).