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Table 10 Receiver operating characteristic curve analysis of factors predicting the cerebrovasospasm among 303 patients

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

  Copeptin WFNS score Modified Fisher score
Criterion >23.4 pmol/L >2 >2
Area under curve 0.792 0.879 0.874
95% confidence interval 0.742 ~0.836 0.837 ~ 0.913 0.831~0.909
Sensitivity 69.2 80.9 84.7
95% confidence interval 60.8 ~77.4 73.1 ~87.3 77.4 ~90.4
Specificity 84.9 79.7 76.7
95% confidence interval 78.6 ~ 89.9 72.9~85.4 69.4~82.2
Odds ratio 7.783 9.488 7.814
95% confidence interval 4.617~13.121 5.597~16.085 4.663~13.096
+ likelihood ratio 4.60 3.98 3.64
95% confidence interval 4.0 ~5.2 3.6~ 4.4 3.3 ~4.1
- likelihood ratio 0.36 0.24 0.20
95% confidence interval 0.2~ 0.6 0.2 ~0.4 0.1 ~0.3
P value Reference 0.002 0.006
  1. WFNS indicates World Federation of Neurological Surgeons.