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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