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Table 7 Receiver operating characteristic curve analysis of factors predicting the in-hospital mortality among 303 patients

From: Detection of copeptin in peripheral blood of patients with aneurysmal subarachnoid hemorrhage

 

Copeptin

WFNS score

Modified Fisher score

Criterion

>28.7 pmol/L

>3

>3

Area under curve

0.868

0.893

0.922

95% confidence interval

0.825 ~0.904

0.853 ~ 0.926

0.886~0.950

Sensitivity

78.1

75.0

90.6

95% confidence interval

60.0 ~90.7

56.6 ~88.5

75.0 ~97.9

Specificity

89.7

87.5

84.1

95% confidence interval

85.4 ~ 93.0

82.9~91.2

79.2~88.3

Odds ratio

29.798

20.911

51.254

95% confidence interval

11.847~74.946

8.698~50.270

14.944~105.792

+ likelihood ratio

7.56

5.98

5.71

95% confidence interval

6.3 ~9.1

4.9~ 7.3

5.1 ~6.5

- likelihood ratio

0.24

0.29

0.11

95% confidence interval

0.1~ 0.5

0.1 ~0.6

0.04 ~0.3

P value

Reference

0.613

0.246

  1. WFNS indicates World Federation of Neurological Surgeons.