Use of an international data bank to compare outcome following severe head injury in different centres.
The advantages and drawbacks of basing treatment comparisons on observational data are discussed. Recommendations are made for minimizing bias when basing comparisons on computerized data banks. A specific example is given concerning treatment following severe head injury.
D001699:Biometry; D002986:Clinical Trials as Topic; D006259:Craniocerebral Trauma / Q000628:therapy*; D006801:Humans; D007256:Information Systems; D011379:Prognosis; D011897:Random Allocation