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Table 3 Specificity and sensitivity for poor outcome of attenuation measurements and GWR

From: Early brain computed tomography findings are associated with outcome in patients treated with therapeutic hypothermia after out-of-hospital cardiac arrest

GWR Cutoff value Sensitivity Specificity PPV NPV AUC (95% CI) p
Basal ganglia 1.12 3.3 100 100 42.0 0.716 0.005
1.24 66.7 61.9 71.4 56.5 (0.572-0.833)
Cerebrum 1.12 20.0 100 100 46.7 0.685 0.015
1.22 70.0 61.9 72.4 59.1 (0.540-0.808)
Average 1.14 13.3 100 100 44.7 0.747 0.003
  1.24 76.7 57.1 71.9 63.2 (0.579-0.838)  
  1. GWR gray-white matter ratio, PPV positive predictive value, NPV negative predictive value, AUC area under curve, CI confidence interval.