Table 2

Positive predictive power values (%) for the study measures

IIIWBFERLVWACPCTHIIIHFMPM
IIIW, maximum third ventricular width; BF, bifrontal width; ER, Evans ratio; LVW, maximum lateral ventricular body width; ACPC, anterior commissure to posterior commissure distance; TH, maximum tegmental height; IIIH, maximum third ventricular height; FMPM, foramen magnum to pontomedullary junction distance.
PPV73%58%54%65%88%52%68%56%