Baseline parameters and operative characteristics
Patient characteristics and comorbidities are shown in Table General characteristics of patientsThe perioperative SVV was controlled below 13% in Groups S1 and S2, and the COP was controlled above 20 mmHg in Group S2. The value of SVV at T1, T2, and T3 was significantly lower than the value at T0 in Groups S1 and S2 (SVV value in the Group S1 and COP and SVV values in the Group S2 (‾Data are expressed as mean ± standard deviationCompared with T0 in the same group, 