Oleguer Plana-Ripoll, Xiaoqin Liu, Ole Köhler-Forsberg, Henrik Toft Sørensen, Natalie C Momen
{"title":"丹麦医院登记的精神障碍：流行病学研究的内容和可能性综述。","authors":"Oleguer Plana-Ripoll, Xiaoqin Liu, Ole Köhler-Forsberg, Henrik Toft Sørensen, Natalie C Momen","doi":"10.2147/CLEP.S509147","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>The Danish national hospital registers are a rich source of data for psychiatric epidemiology. The potential to identify diagnosed mental disorders in the Danish population has resulted in a plethora of important research studies. However, no recent review of these research sources exists.</p><p><strong>Objective: </strong>To review the content, data quality and epidemiological considerations regarding mental disorders in the Danish hospital registers.</p><p><strong>Methods: </strong>We provide information on the setting, history, and data access regarding mental disorders in the Danish hospital registers (defined according to the International Classification of Diseases, Tenth Revision, F group Mental and behavioural disorder codes). We describe the registration of mental disorders over time in the Danish hospital registers, by providing counts of individuals diagnosed with mental disorders each year, by types of mental disorders, diagnosis, hospital contact, and contact unit. We also provide information on considerations when using these data sources, including data quality. For this, we searched PubMed to identify validation studies of coding of mental disorder diagnoses.</p><p><strong>Results: </strong>Between 1969 and 2022, 1,136,280 individuals (10.7% of all individuals who resided in Denmark in this period) have been registered as having a mental disorder as a primary or secondary diagnosis in a psychiatric unit in Denmark at least once. The type of contact and unit diagnoses were made in varied by mental disorder type. The literature indicates that a large proportion of coded diagnoses in the Danish hospital registers of mental disorders were considered valid.</p><p><strong>Conclusion: </strong>We provide an overview of the available data for investigating mental disorders in the Danish hospital registers. We raise awareness of the limitations researchers should be aware of when using this data and discuss their implications. Careful consideration should be given to these during study design and when reporting findings from register-based studies on diagnosed mental disorders.</p>","PeriodicalId":10362,"journal":{"name":"Clinical Epidemiology","volume":"17 ","pages":"387-407"},"PeriodicalIF":3.4000,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12010038/pdf/","citationCount":"0","resultStr":"{\"title\":\"Mental Disorders in Danish Hospital Registers: A Review of Content and Possibilities for Epidemiological Research.\",\"authors\":\"Oleguer Plana-Ripoll, Xiaoqin Liu, Ole Köhler-Forsberg, Henrik Toft Sørensen, Natalie C Momen\",\"doi\":\"10.2147/CLEP.S509147\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>The Danish national hospital registers are a rich source of data for psychiatric epidemiology. The potential to identify diagnosed mental disorders in the Danish population has resulted in a plethora of important research studies. However, no recent review of these research sources exists.</p><p><strong>Objective: </strong>To review the content, data quality and epidemiological considerations regarding mental disorders in the Danish hospital registers.</p><p><strong>Methods: </strong>We provide information on the setting, history, and data access regarding mental disorders in the Danish hospital registers (defined according to the International Classification of Diseases, Tenth Revision, F group Mental and behavioural disorder codes). We describe the registration of mental disorders over time in the Danish hospital registers, by providing counts of individuals diagnosed with mental disorders each year, by types of mental disorders, diagnosis, hospital contact, and contact unit. We also provide information on considerations when using these data sources, including data quality. For this, we searched PubMed to identify validation studies of coding of mental disorder diagnoses.</p><p><strong>Results: </strong>Between 1969 and 2022, 1,136,280 individuals (10.7% of all individuals who resided in Denmark in this period) have been registered as having a mental disorder as a primary or secondary diagnosis in a psychiatric unit in Denmark at least once. The type of contact and unit diagnoses were made in varied by mental disorder type. The literature indicates that a large proportion of coded diagnoses in the Danish hospital registers of mental disorders were considered valid.</p><p><strong>Conclusion: </strong>We provide an overview of the available data for investigating mental disorders in the Danish hospital registers. We raise awareness of the limitations researchers should be aware of when using this data and discuss their implications. Careful consideration should be given to these during study design and when reporting findings from register-based studies on diagnosed mental disorders.</p>\",\"PeriodicalId\":10362,\"journal\":{\"name\":\"Clinical Epidemiology\",\"volume\":\"17 \",\"pages\":\"387-407\"},\"PeriodicalIF\":3.4000,\"publicationDate\":\"2025-04-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12010038/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Clinical Epidemiology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.2147/CLEP.S509147\",\"RegionNum\":2,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2025/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"Q1\",\"JCRName\":\"PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical Epidemiology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2147/CLEP.S509147","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q1","JCRName":"PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH","Score":null,"Total":0}
Mental Disorders in Danish Hospital Registers: A Review of Content and Possibilities for Epidemiological Research.
Background: The Danish national hospital registers are a rich source of data for psychiatric epidemiology. The potential to identify diagnosed mental disorders in the Danish population has resulted in a plethora of important research studies. However, no recent review of these research sources exists.
Objective: To review the content, data quality and epidemiological considerations regarding mental disorders in the Danish hospital registers.
Methods: We provide information on the setting, history, and data access regarding mental disorders in the Danish hospital registers (defined according to the International Classification of Diseases, Tenth Revision, F group Mental and behavioural disorder codes). We describe the registration of mental disorders over time in the Danish hospital registers, by providing counts of individuals diagnosed with mental disorders each year, by types of mental disorders, diagnosis, hospital contact, and contact unit. We also provide information on considerations when using these data sources, including data quality. For this, we searched PubMed to identify validation studies of coding of mental disorder diagnoses.
Results: Between 1969 and 2022, 1,136,280 individuals (10.7% of all individuals who resided in Denmark in this period) have been registered as having a mental disorder as a primary or secondary diagnosis in a psychiatric unit in Denmark at least once. The type of contact and unit diagnoses were made in varied by mental disorder type. The literature indicates that a large proportion of coded diagnoses in the Danish hospital registers of mental disorders were considered valid.
Conclusion: We provide an overview of the available data for investigating mental disorders in the Danish hospital registers. We raise awareness of the limitations researchers should be aware of when using this data and discuss their implications. Careful consideration should be given to these during study design and when reporting findings from register-based studies on diagnosed mental disorders.
期刊介绍：
Clinical Epidemiology is an international, peer reviewed, open access journal. Clinical Epidemiology focuses on the application of epidemiological principles and questions relating to patients and clinical care in terms of prevention, diagnosis, prognosis, and treatment.
Clinical Epidemiology welcomes papers covering these topics in form of original research and systematic reviews.
Clinical Epidemiology has a special interest in international electronic medical patient records and other routine health care data, especially as applied to safety of medical interventions, clinical utility of diagnostic procedures, understanding short- and long-term clinical course of diseases, clinical epidemiological and biostatistical methods, and systematic reviews.
When considering submission of a paper utilizing publicly-available data, authors should ensure that such studies add significantly to the body of knowledge and that they use appropriate validated methods for identifying health outcomes.
The journal has launched special series describing existing data sources for clinical epidemiology, international health care systems and validation studies of algorithms based on databases and registries.
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