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1000
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Abstract/Summary
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BACKGROUND: Given the paucity of epidemiological studies on thyroid storm, we aimed to estimate the incidence rate and case fatality of thyroid storm in Germany based on a large claims database. METHODS: Using the German Pharmacoepidemiological Research Database (GePaRD) we identified patients with at least one inpatient discharge diagnosis of thyroid storm (International Statistical Classification of Diseases and Related Health Problems, 10th revision, German modification; ICD-10-GM E05.5) between 2007 and 2017 and calculated age-standardized and age-specific incidence rates in males and females (no age restriction). We defined deaths occurring within 30 days of the diagnosis as thyroid storm-associated and determined case fatality by sex and age group. Point estimates were reported with confidence intervals [CIs]. RESULTS: We identified 1690 patients with an incident diagnosis of thyroid storm. Of these, 72% were females (n = 1212). The mean age was 60 years (standard deviation: 18.6 years). The age-standardized incidence rate per 100,000 persons per year was 1.4 [CI 1.2–1.7] in females and 0.7 [CI 0.5–0.9] in males. In females ≤60 and >60 years of age, the incidence rate was 0.9 [CI 0.9–1.0] (males: 0.4 [CI 0.3–0.4]) and 2.7 [CI 2.5–2.9] (males: 1.7 [CI 1.5–1.9]), respectively. The case fatality of thyroid storm was 1.4% [CI 0.6–2.8] in females ≤60 years and 10.9% [CI 8.6–13.7] in females >60 years. In males, the case fatality was 1.0% [CI 0.2–4.0] in those aged ≤60 years and 16.7% [CI 12.6–21.7] in those >60 years. CONCLUSIONS: Incidence rates of thyroid storm were markedly higher in females than in males and were three times higher in persons >60 years compared with younger age groups. The case fatality was below 2% in persons aged ≤60 years and markedly higher in older persons (males: 17 times and females: 8 times).
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