The prevalence of comorbidities in Danish patients with obesity – A Danish register-based study based on data from 2002 to 2018
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We used the Danish National Health Registers to conduct a study on the prevalence of obesity-related comorbidities in Danish citizens who have been diagnosed with obesity at a Danish hospital. This was a retrospective observational study with a population comprising all Danish citizens (≥18 years) who have been registered with a specific obesity class diagnosis in the Danish National Patient Register between 2002 and 2018. A total of 86 980 persons with hospital-diagnosed obesity were included in the study population. To investigate how the risk of having comorbidities varies with the degree of obesity, we applied adjusted logistic regression to estimate the odds ratio of having one of the following predefined comorbidities for people with a BMI in obesity classes II and III compared with people with a BMI in obesity class I: type 2 diabetes, ischaemic heart disease, non-alcoholic steatohepatitis and non-alcoholic fatty liver disease, hip and knee osteoarthritis, obstructive sleep apnoea and asthma. Comorbidities were defined from ICD-10 diagnosis codes and prescription medication utilization. The odds ratio for obstructive sleep apnoea (OR 1.86 and OR 3.0), type 2 diabetes (OR 1.68 and OR 2.26), hip and knee osteoarthritis (OR 1.29 and OR 1.54) and asthma (OR1.13 and OR 1.25) increased significantly with obesity class (obesity class II relative to I and III relative to I, respectively). The odds ratio of having had at least one comorbidity was estimated to be 1.52 for people with a BMI in obesity class II and 2.10 for people with a BMI in obesity class III compared with people in obesity class I. The risk of obstructive sleep apnoea, type 2 diabetes, hip and knee osteoarthritis, and asthma increased significantly with increasing BMI, highlighting the importance of preventing further weight gain even in individuals who are already living with obesity.
Originalsprog | Engelsk |
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Artikelnummer | e12542 |
Tidsskrift | Clinical obesity |
Vol/bind | 12 |
Udgave nummer | 5 |
ISSN | 1758-8103 |
DOI | |
Status | Udgivet - 2022 |
Bibliografisk note
Funding Information:
Mikkel H. Pedersen, Mette Bøgelund, Pierre Johansen, Ulrik H. Panton, Carsten Dirksen, Nils B. Jørgensen and Sten Madsbad all contributed to the study design and interpretation of the results and revision of the manuscript. Mikkel H. Pedersen wrote the paper and conducted the analysis. Carsten Dirksen, Nils B. Jørgensen and Sten Madsbad contributed with clinical expert input. All authors have approved the final version of the manuscript to be published and agree to be accountable for all aspects of the work.
Publisher Copyright:
© 2022 The Authors. Clinical Obesity published by John Wiley & Sons Ltd on behalf of World Obesity Federation.
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