作者: James O. Westgard , Paul Mountain
DOI:
关键词: Statistics 、 Control material 、 Volume (compression) 、 Engineering 、 Operations management
摘要: In high volume laboratory analysis of patient medical specimens, control materials are inserted at periodical intervals (e.g. once per eight hours) and analyzed. If the results deviate from mean according to statistical rules, run analyses prior insertion has in past been rejected, often causing a substantial loss because were not sufficiently frequently. According invention test is determined, when deviates predetermined by more than selected amount, this determination used, reject run, but rather trigger materials. shows that control, made thereto reported resumed. material out then rejected.