Murray, G.D.

outcome injury patient study trial brain injury brain model prognostic analysis head injury effect treatment value impact score scale result ratio predictor center neurotrauma table difference treatment effect characteristic blood impact database approach covariate number classification pressure prognosis motor database glasgow outcome scale admission group odds ratio sample misclassification sample size mortality odds ratios power motor score month association prognostic models enrollment prognostic value pupil glasgow enrollment criteria odds model randomized steyerberg blood pressure trauma prediction murray design hypotension adjustment category neurosurg criteria glasgow coma scale systolic blood pressure text pdf assessment regression ordinal factor relationship measure distribution marmarou covariate adjustment