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Average correct score by all physicians on all computed tomography scans was 77%(95%confidence interval,74%-80%).Of 569 computed tomography readings by emergency physicians,67%were correct;of 435 readings by neurologists,83%were correct;and of 540 readings by radiologists,83%were correct.Overall sensitivity for detecting hemorrhage was 82%(95%confidence interval,78%-85%);17%of emergency physicians,40%of neurologists,and 52%of radiologists achieved 100%sensitivity for identification of hemorrhage. Physicians in this study did not uniformly achieve a level of sensitivity or identification of intravertebral hemorrhage sufficient to permit safe selection of candidates for thrombolytic therapy. |
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