Abstract: A neuroradiology PACS module developed at UCLA was evaluated in the clinical environment from February 1990 to July 1991. The results of this clinical operation will be used to assess its clinical value. The overall evaluation focused on three aspects: (1) image delivery performance, (2) system availability, and (3) user acceptance. This study evaluates the image delivery performance by analyzing the elapsed time spent in each modularized task in both the film-based system and the PACS system. The system availability was examined by observing the down-time occurrence and up-time probability of individual hardware components in the PACS module. The user acceptance was verified through the display workstation.!5
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