Overview The term“Big Data”originated at the 11th Electronic Materials Conference World Annual Conference,which originally referred to the large amount of data generated by the application of technology.[1]Medical b...Overview The term“Big Data”originated at the 11th Electronic Materials Conference World Annual Conference,which originally referred to the large amount of data generated by the application of technology.[1]Medical big data includes not only the medical history and examination data accumulated during patient hospitalization,but also patient-related follow-up data,prognostic data from outpatient,emergency,and medical insurance settlement departments as well as clinical experiment centers.So far,it has profound applications in the various specialties of medicine.[2-4]However,intensive care medicine(ICU)is different from other medical fields.In comparison with clinical practice data,medical data in ICU have the following characteristics:large scale,rapid production,diverse dimensions,inaccuracies,heterogeneity,incompleteness,complexity,and privacy concerns.[5]In fact,in the process of constructing major ICU databases in China and worldwide,these databases have been optimized at great length.Taking heterogeneity as an example。展开更多
基金the China Health Information and Health Care Big Data Association Severe Infection Analgesia and Sedation Big Data Special Fund(No.Z-2019-1-001)the China International Medical Exchange Foundation Special Fund for Young and Middleaged Medical Research(No.Z-2018-35-1902).
文摘Overview The term“Big Data”originated at the 11th Electronic Materials Conference World Annual Conference,which originally referred to the large amount of data generated by the application of technology.[1]Medical big data includes not only the medical history and examination data accumulated during patient hospitalization,but also patient-related follow-up data,prognostic data from outpatient,emergency,and medical insurance settlement departments as well as clinical experiment centers.So far,it has profound applications in the various specialties of medicine.[2-4]However,intensive care medicine(ICU)is different from other medical fields.In comparison with clinical practice data,medical data in ICU have the following characteristics:large scale,rapid production,diverse dimensions,inaccuracies,heterogeneity,incompleteness,complexity,and privacy concerns.[5]In fact,in the process of constructing major ICU databases in China and worldwide,these databases have been optimized at great length.Taking heterogeneity as an example。