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Table 4 Best sensitivity and specificity according to the better likelihood ratio, leading to the points of the score for the diagnosis of acute bowel ischemia

From: Biological scoring system for early prediction of acute bowel ischemia after cardiac surgery: the PALM score

Variable

Se

95% CI

Sp

95% CI

LR+

95% CI

LR−

95% CI

PCT (μg/L)

85.42

72.2–93.9

84.37

75.5–91.0

5.47

3.4–8.8

0.17

0.09–0.3

ASAT (IU/L)

75

60.4–86.4

95.83

89.7–98.9

18

6.8–47.6

0.26

0.2–0.4

Lactate (mmol/L)

87.5

74.8–95.3

90.62

82.9–95.6

9.31

5.0–17.5

0.14

0.07–0.3

Myoglobin (μg/L)

87.5

74.8–95.3

81.25

72.0–88.5

4.67

3.0–7.2

0.15

0.07–0.3

  1. Se sensitivity, Sp specificity, LR+ positive likelihood ratio, LR− negative likelihood ratio