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Table 3 Area under the ROC curves for static lactate rates and lactate clearances

From: Lactate clearance for death prediction in severe sepsis or septic shock patients during the first 24 hours in Intensive Care Unit: an observational study

 

AUC

IC 95%

Threshold

Se.%

CI 95%

Sp.%

CI 95%

ScvO 2 H0

0.55

0.44–0.66

74%

53.19

38.1–67.9

64.86

47.5–79.8

ScvO 2 H6

0.498

0.39–0.61

79%

72.34

57.4–84.4

42.11

26.3–59.2

ScvO 2 H12

0.609

0.5–0.71

71%

88.89

75.9–96.3

36.84

21.8-54

ScvO 2 H24

0.501

0.36–0.64

67%

90.32

74.2–97.8

29.17

12.7–51.1

Variation ScvO 2 H0-H6

0.533

0.42–0.65

2.5%

54.55

38.9-69.6

58.82

40.7–75.3

Variation ScvO 2 H0-H12

0.501

0.38–0.62

−5.2%

28.57

15.7–44.6

85.29

68.9-95

Variation ScvO 2 H0-H24

0.598

0.45–0.73

4.2%

65.52

45.7-82

54.55

32.2–75.6

Lactates H0

0.613

0.5–0.71

5.4 mmol/l

76.92

63.2–87.5

54.76

38.7–70.1

Lactates H6

0.706

0.6–0.8

4.05 mmol/l

63.46

49–76.4

75.61

59.7–87.6

Lactates H12

0.729

0.62–0.82

4.2 mmol/l

75

60.4-86,3

66.67

49.8–80.9

Lactates H24

0.773

0.64–0.87

2.6 mmol/l

67.74

48.6–83.3

82.61

61.2–94.9

Lac Clear H0-H6

0.619

0.5–0.72

−7.7%

63.46

49–76.4

56.1

39.8–71.5

Lac Clear H0-H12

0.662

0.55–0.76

−44.6%

45.83

31.4–60.8

82.05

66.5–92.4

Lac Clear H0-H24

0.791

0.6–0.85

−2.1%

96.77

83.2–99.5

52.17

30.6–73.2

  1. AUC area under the curve; CI confidence interval; Se sensibility; Sp specificity; Lac Clear lactate clearance.