Diagnosis-Related Groups Statistic (DRG-Statistic) 2019, On-Site, Version 0

The Diagnosis-Related Groups Statistic (DRG) is an anual complete survey of all fully stationary hospital cases in Germany that were accounted for by case rates. The microdata can be requested via the RDC starting from the survey year 2005.
The case rate based DRG accounting system was introduced when the hospital financing was amended in 2000. Starting from 1 January 2004, this accounting system is obligatory for general hospitals.
The DRG Statistic is a secundary statistic. The data is not collected by the statistical offices of the Federation and the federal states but by the Institut für das Entgeltsystem im Krankenhaus (InEK). The data for the DRG Statistic are taken from the datasets that the hospitals send to the InEK for accounting purposes. The InEK transmitts a legally exactly defined variable selection of these extensive structure and services data to the Federal Statistical Office.
The DRG Statistic includes the continuous fully stationary treatment in the hospital (treatment chain) independent of the number of undergone specialist departments. Paramount are the information on operations and treatments, kind and amount of the invoiced charges (DRG case rates, effective valuation ratio, casemix) as well as main and secondary diagnosis. Besides, sociodemographic characteristics of the hospital cases such as age, sex and living region are recorded.

诊断相关分组统计（Diagnosis-Related Groups Statistic, DRG）是德国一项年度全面调查，涵盖所有按病例费率核算的完全住院病例。微观数据可从2005年调查年度起通过RDC申请获取。

基于病例费率的DRG核算体系于2000年医院融资修订时引入。自2004年1月1日起，该核算体系成为综合医院的强制要求。

DRG统计属于次级统计（secondary statistic）。其数据并非由联邦及各州统计部门收集，而是由德国医院收费系统研究所（Institut für das Entgeltsystem im Krankenhaus, InEK）负责收集。DRG统计的数据来源于医院为核算目的向InEK提交的数据集。InEK会将这些涵盖结构与服务的海量数据中，按法律明确定义筛选出的变量组传输至联邦统计局。

DRG统计涵盖医院内连续的完全住院治疗（治疗链），不受患者所经历的专科科室数量限制。其中核心信息包括手术与治疗详情、计费项目的类型与金额（DRG病例费率、有效估值比率、病例组合）以及主要与次要诊断。此外，还记录了住院病例的社会人口学特征，如年龄、性别及居住地区。