Marmarou, A.

outcome injury patient study brain injury trial brain effect model prognostic analysis head injury treatment impact value score scale result difference classification blood neurotrauma covariate treatment effect impact database database center table misclassification characteristic pressure motor group sample size power sample ratio glasgow outcome scale approach number pupil admission motor score prognosis blood pressure hypotension enrollment randomized mortality text pdf month glasgow prognostic value association adjustment odds ratios enrollment criteria systolic blood pressure predictor reduction marmarou odds ratio odds model design ct characteristics distribution covariate adjustment murray criteria ct classification category hypoxia assessment steyerberg between-center differences split trauma crossref level hospital