Table 2 Changes in hemodynamic and respiratory variables among all patients

HR (beat·min^-1)

66.50 ± 8.36

63.71 ± 8.88^a

60.05 ± 8.28^b

MAP (mm Hg)

80.36 ± 10.40

76.96 ± 8.14^a

79.60 ± 6.55^b

CVP (cm H₂O)

3.42 ± 1.35

4.73 ± 2.59^a

8.17 ± 2.53^b

IJVV (%)

38.09 [20.94-49.09]

24.75 [14.37-33.76]^a

7.75 [3.13-10.99]^b

SVV ( %)

14.52 ± 4.01

12.84 ± 4.08^a

8.69 ± 3.53^b

PPV (%)

12.18 ± 3.52

11.27 ± 2.58^a

7.67 ± 2.23^b

Cardiac index (l·min^-1·m^-2)

2.35 ± 0.33

2.34 ± 0.36

2.64 ± 0.39^b

SVI (ml·m^-2)

35.67 ± 5.68

37.18 ± 6.32^a

44.41 ± 6.67^b

C_dynamic (ml·(cm H₂O)^-1)

31.57 ± 6.54

28.61 ± 5.66^a

27.17 ± 5.03^b