Interpretation of the Ws statistic: application to an integrated trauma system.

Abstract

BACKGROUND Comparison of trauma survival rates between institutions and reference data bases is hampered by different injury severity mixes. To overcome this, a standardized comparison using a stratified W statistic (Ws) has been proposed. Ws enables comparisons but does not represent actual survival rates at an institution. METHOD, DISCUSSION, AND… (More)

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Cite this paper

@article{Younge1997InterpretationOT, title={Interpretation of the Ws statistic: application to an integrated trauma system.}, author={Paul Younge and T. J. Coats and Diane Gurney and Cassandra J. Kirk}, journal={The Journal of trauma}, year={1997}, volume={43 3}, pages={511-5} }