3,4 The consequences are not limited to joints but involve multiple organ systems, and gout is a significant cause of morbidity and premature mortality. 2 The prevalence of gout globally is increasing. 1 In Australia, 1.5% of the total population and up to 10% of elderly males are affected, making gout one of the most common causes of inflammatory arthritis nationally. Gout is an inflammatory arthritis that occurs due to the crystallisation of uric acid within joints and a consequent immune response.
However, case note review was unable to substantiate the diagnosis in over half the cases according to the ACR/EULAR GCC, and in almost a third of cases independent review was unable to confirm the diagnosis. Of 100 case records independently reviewed, 55% had definite gout, 18% possible gout, 18% were unlikely to have gout, and 14% had insufficient information to make an assessment.Ĭonclusion: The ICD coding of gout recorded for patients discharged was relatively accurate when using the case record documentation as the gold standard. Based on the ACR/EULAR GCC, 25% of patients met the “sufficient” criterion for diagnosis, 26% met the “classification criteria” and 49% did not meet the “classification criteria” or were unable to be scored. Results: One hundred and ninety nine patients with an ICD code of gout were reviewed. Descriptive statistics were used to summarise the demographic and clinical characteristics of patients. Finally, 100 cases from one hospital were also examined to determine the likelihood of the diagnosis of gout being correct, based on the reviewing doctor’s opinion. Second, the ACR/EULAR 2015 Gout Classification Criteria score was calculated. The case file was examined for documented evidence of the diagnosis. Methods: The case records of inpatients with an ICD diagnosis of gout on discharge from two tertiary teaching hospitals were reviewed. This study has assessed the accuracy of ICD discharge coding of gout against both the clinical diagnosis and the 2015 ACR/EULAR Gout Classification Criteria (ACR/EULAR GCC) The accuracy of the coding is critical to the validity of the results.
Introduction: Epidemiological data linkage studies use International Classification of Diseases (ICD) hospital discharge coding to identify patients with gout.
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