港口大学教学医院医疗设备的可靠性模型

N. P. Akpan, E. R. Anyi-Akparanta
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引用次数: 0

摘要

在这项关于医疗设备可维护性和可靠性的研究中,我们以哈科特港大学教学医院为案例进行了基本统计分析;收集的数据涵盖 18 个科室,即解剖病理科、微生物科、化学病理实验室、放射科、儿科、血液透析科、血液科和输血科、理疗科、牙科、耐药结核病科、药剂科、重症监护室、助孕科、骨科病房、老年护理实验室、计划生育科、社区医学科和产科病房。参数 Weibull 分布百分位数的结果表明,设备的可靠性趋于每 21 天失效一次。模型的可靠性曲线图表明,随着年龄的增长,仪器的使用寿命会缩短,根据安德森拟合度调整检验和概率曲线图的结果,Weibull 模型得到了充分拟合。相比之下,Weibull 分布模型的拟合优度概率值 P(0.0000)与指数分布模型的拟合优度概率值 P(0.034)相比较,结果表明 Weibull 分布更适合哈科特港大学教学医院的医疗设备数据建模。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reliability Model of Medical Equipment in University of Port Teaching Hospital
In this research, on medical equipment maintainability and reliability we conducted basic statistics analysis using University of Port Harcourt Teaching Hospital as the case study; the data collected covered 18 departments, namely; Anatomical Pathology, Micro Biology, Chemical Pathology Laboratory, Radiography Department, Pediatrics, Hemodialialysis, Hematology and Blood Transfusion, Physiotherapy, Dental Department, MDR-TB unit, Pharmacy, ICU, Assisted Conception Unit, Orthopedic Ward, Care for Elderly Laboratory, Family Planning Unit, Community Medicine and Labour Ward. The results of the parametric Weibull distribution percentile suggested that the reliability of the devices tends to fail every 21 days. The reliability plot of the model indicated that the devices tend to decrease its life span with age, the Weibull model was adequately fitted following the results of Anderson adjust test of goodness of fit and the probability plot. In comparison, the Probability value of goodness of fit P(0.0000) of Weibull distribution model was compared with that of exponential distribution model P(0.034), the outcome showed that Weibull distribution is better to model the data of medical equipment in University of Port Harcourt Teaching Hospital.
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