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. 2020 May 21;12:485–495. doi: 10.2147/CLEP.S250251

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© 2020 Hansen et al.

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Prevalence of alpha thalassemic disorders in Denmark, 2000–2016, according to models for classification of diagnoses (main model vs sensitivity model). The overall prevalence with 95% confidence intervals for alpha thalassemic diseases calculated on 1 January each year with census data as denominator. The 95% confidence intervals are calculated using the Clopper–Pearson method. Alpha-Thalassemia trait and HbH disease w not defined in the sensitivity model they do not have a separate ICD 8 or 10 code.

Abbreviations: CI, confidence interval; HbH, hemoglobin H; NOS, not otherwise specified.