Table 3 Multiple regression analysis of MAP and CO changes after ephedrine administration

MAP change, mmHg

 Age, years

0.050

−0.184 to 0.282

0.680

1.11

 BMI, kg/m²

0.653

−0.032 to 1.339

0.062

1.06

 ACEIs/ARBs, binary

5.035

−2.085 to 12.156

0.163

1.03

 Preoperative oral rehydration solution intake, binary

−1.126

−7.382 to 5.130

0.721

1.07

CO change, %

 Age, years

0.142

−0.070 to 0.353

0.186

1.11

 BMI, kg/m²

0.716

0.094 to 1.339

0.025

1.06

 ACEIs/ARBs, binary

0.361

−6.098 to 6.819

0.912

1.03

 Preoperative oral rehydration solution intake, binary

3.900

−1.775 to 9.575

0.175

1.07