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- Schölin, Anna, et al.
(författare)
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Islet antibodies and remaining beta-cell function 8 years after diagnosis of diabetes in young adults : a prospective follow-up of the nationwide Diabetes Incidence Study in Sweden
- 2004
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Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 255:3, s. 384-391
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- ObjectivesTo establish the prevalence of remaining β-cell function 8 years after diagnosis of diabetes in young adults and relate the findings to islet antibodies at diagnosis and 8 years later.DesignPopulation-based cohort study.SettingNationwide from all Departments of Medicine and Endocrinology in Sweden.SubjectsA total of 312 young (15–34 years old) adults diagnosed with diabetes during 1987–88.Main outcome measurePlasma connecting peptide (C-peptide) 8 years after diagnosis. Preserved β-cell function was defined as measurable C-peptide levels. Three islet antibodies – cytoplasmic islet cell antibodies (ICA), glutamic acid decarboxylase antibodies and tyrosine phosphatase antibodies – were measured.ResultsAmongst 269 islet antibody positives (ab+) at diagnosis, preserved β-cell function was found in 16% (42/269) 8 years later and these patients had a higher body mass index (median 22.7 and 20.5 kg m−2, respectively; P = 0.0003), an increased frequency of one islet antibody (50 and 24%, respectively; P = 0.001), and a lower prevalence of ICA (55 and 6%, respectively; P = 0.007) at diagnosis compared with ab+ without remaining β-cell function. Amongst the 241 patients without detectable β-cell function at follow-up, 14 lacked islet antibodies, both at diagnosis and at follow-up.ConclusionsSixteen per cent of patients with autoimmune type 1 diabetes had remaining β-cell function 8 years after diagnosis whereas 5.8% with β-cell failure lacked islet autoimmunity, both at diagnosis and at follow-up.
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