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Table 4 Performance of circulating nucleosomes, C-reactive protein, and creatinine in predicting severe acute pancreatitis

From: Circulating nucleosomes as predictive markers of severe acute pancreatitis

 

Cutoff

AUC

Sensitivity

Specificity

+LR

−LR

DOR

All patients (n = 74)

Nucleosomes

≥0.57 AU

0.718

0.21

0.96

5.2

0.83

6.3

  

(0.578–0.858)

(0.09–0.40)

(0.87–0.99)

(1.1–24.9)

(0.67–1.02)

(1.1–35.4)

CRP

≥264 mg/L

0.673

0.33

0.91

3.8

0.73

5.2

  

(0.583–0.807)

(0.18–0.53)

(0.81–0.96)

(1.4–10.4)

(0.55–0.98)

(1.5–18.1)

Creatinine

≥110 μmol/L

0.770

0.46

0.91

5.2

0.59

8.8

  

(0.654–0.886)

(0.28–0.65)

(0.81–0.96)

(2.0–13.4)

(0.41–0.87)

(2.6–29.8)

Moderately severe and severe AP patients (n = 51)

Nucleosomes

≥0.57 AU

0.661

0.21

0.95

2.8

0.86

3.3

  

(0.502–0.821)

(0.09–0.40)

(0.77–0.98)

(0.6–13.2)

(0.68–1.08)

(0.6–18.8)

CRP

≥386 mg/L

0.550

0.08

0.96

2.3

0.95

2.4

  

(0.390–0.710)

(0.02–0.26)

(0.82–0.99)

(0.2–23.3)

(0.83–1.10)

(0.2–27.9)

Creatinine

≥287 μmol/L

0.717

0.21

0.96

5.6

0.82

6.8

  

(0.576–0.858)

(0.09–0.41)

(0.82–0.99)

(0.71–44.8)

(0.66–1.02)

(0.7–63.4)

Patients with modified marshall score <2 on admission (n = 58)

Nucleosomes

≥0.39 AU

0.648

0.29

0.93

4.2

0.77

5.5

  

(0.443–0.852)

(0.12–0.55)

(0.82–0.98)

(1.1–16.5)

(0.55–1.08)

(1.1–28.4)

CRP

≥227 mg/L

0.539

0.14

0.92

1.8

0.93

2.0

  

(0.362–0.716)

(0.04–0.40)

(0.82–0.97)

(0.37–8.9)

(0.74–1.17)

(0.3–12.0)

Creatinine

≥139 μmol/L

0.670

0.14

0.98

7.3

0.87

8.3

  

(0.512–0.829)

(0.04–0.40)

(0.90–1.0)

(0.7–74.6)

(0.70–1.09)

(0.7–99.7)

  1. 95 % confidence intervals are given in parentheses
  2. AU absorbance unit, AUC area under the curve, CRP C-reactive protein, DOR diagnostic odds ratio, LR likelihood ratio