Results of logistic regression analyses to predict dichotomized GOS outcomes at 6–12 mo

VariablesAccuracy (%)Predictionsχ2P Value
False-Positive (%)False-Negative Rate (%)
GCS score7501005.2.40
Days unconscious before MRS and days ventilated783804.5.81
Days in coma, unconscious before MRS, and ventilated807608.4.39
MRS ratios*
    Normal-appearing brain8535010.7.22
    Hemorrhagic brain6713807.3.50
    Total brain853505.4.72
Total NAA/Cr, days unconscious before MRS and ventilated8834011.2.19
  • * Total mean NAA/Cr, NAA/Cho, and Cho/Cr.