Table 1 Demographic data and baseline hemodynamic measurements in the three groups of patients

Number of patients

21

24

25

Gender (male/female)

5/16

8/16

5/20

Age (years)

67.9 (± 5.5)

71.1 (± 7.7)

68.4 (± 6.6)

Height (cm)

166.2 (± 8.2)

158.8 (± 34.6)

164.6 (± 11.5)

Weight (kg)

79.7 (± 13.5)

86.0 (± 13.6)

82.1 (± 14.2)

ASA I/ ASA II/ ASA III

3/12/6

2/15/7

1/17/7

BMI

28.8 (± 4.5)

31.3 (± 5.0)

30.2 (± 3.9)

BSA

1.9 (± 0.2)

1.9 (± 0.2)

1.9 (± 0.2)

SBP (mmHg)^a

HR (beats/min) ^a

75.4 (± 11.0)

73.5 (± 11.6)

74.7 (± 11.7)

CI (BSA) (l/min/m²) ^a

2.5 (± 0.7)

2.2 (± 0.5)

2.5 (± 0.6)

SVR (din s cm^− 5) ^a

886 (± 292)

863 (± 233)

850 (± 320)

SVI (ml/m²) ^a

33.1 (± 5.8)

30.3 (± 6.0)

32.8 (± 6.7)