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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.