Table 3 Comparison of clinical, biological and hemodynamic data in patients with Resistivity Index (RI) > 0.7 vs. RI ≤ 0.7

Resistivity Index

34

0.62

0.61–0.64

0.48

0.70

30

0.74

0.73–0.77

0.71

0.86

Age (years)

34

48

29.8–52

17

85

30

69

61–75

23

87

BMI (kg/m²)

34

25

23–28

17

37

30

25

24–28

18

35

SAPS 2

34

48.5

43–53

23

86

30

53

42–68

24

91

SOFA Score

32

6

4–8

1

11

30

4

3–6

1

12

Albuminemia (g/L)

26

23

20–26

14

31

11

24

16.8–26

15

36

Measured creatinine clearance (mL/min/1.73 m²)

34

136.6

121–160

36.7

296

30

85.3

61.9–108

9

319

BUN (mmol/L)

25

5.7

3.7–7.3

1.9

25.3

29

7.4

5.9–10.3

3.7

52

Heart rate (bpm)

34

95

86–105

39

150

29

86

80–91

68

102

SAP (mmHg)

34

135

126–140

101

175

30

128

123–134

90

177

DAP (mmHg)

34

68.5

65–77

50

98

30

58

55–66

42

87

MAP (mmHg)

34

87

84–94

68

120

30

82

75–87

59

114

Pulse pressure (mmHg)

34

65

56–69

29

97

30

66

60–74

45

106

pH

34

7.43

7.41–7.45

7.32

7.52

30

7.43

7.4–7.48

7.24

7.55

PaO₂ (mmHg)

34

85.7

76–110

62

177

30

79.7

70–93

41

191

PaCO₂ (mmHg)

34

36.6

33-39.5

29

54

30

39.75

36–44

27

66.5

Plasma total CO₂ content

34

25.3

24–26

18.3

38.2

30

25.5

25–28

17

41

SaO₂ (%)

34

98

96–98

91

99

30

96

94–97

82

100

Hemoglobin (g/dL)

34

10.4

9.9–11.2

7.8

13.6

30

9.7

9-10.5

8

13

PEEP (cmH₂0)

33

6

5–7

0

10

29

6

5–8

0

12

Cause of admission

Polytrauma

15 (44.1%)

3 (10%)

Surgical

7 (20.6%)

11 (36.7%)

Medical

12 (35.3%)

16 (53.3%)