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Table 4 Sensitivity, specificity, positive and negative likelihood ratio in each cut off points

From: Risk factors for adverse reactions from contrast agents for computed tomography

Cut off point Sensitivity (%) Specificity (%) Positive likelihood ratio Negative likelihood ratio
1 79.6 59.3 1.96 0.34
3 45.5 79.9 2.26 0.68
6 17.1 97.1 5.9 0.85
9 7.6 99.1 8.4 0.93