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Table 2 Predictive accuracies of emergency physicians’ interpretation, radiologists’ interpretation, and the cutoff value of GWR < 1.16 and 1.13

From: Accuracy of the first interpretation of early brain CT images for predicting the prognosis of post-cardiac arrest syndrome patients at the emergency department

  Interpreters GWR < 1.16 GWR < 1.13
By emergency physicians By radiologists
Sensitivity 0.34 (0.23–0.48) 0.41 (0.29–0.54) 0.54 (0.41–0.67) 0.28 (0.17–0.41)
Specificity 1.00 (0.92–1.00) 0.93 (0.82–0.99) 0.64 (0.49–0.78) 0.98 (0.88–1.00)
  1. Data are presented as mean and 95% confidence interval
  2. GWR gray matter attenuation to white matter attenuation ratio