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http://dx.doi.org/10.3345/kjp.2010.53.3.414

Comparison of clinical and laboratory characteristics in children with type 1 diabetes according to pancreatic autoantibodies  

Choi, Ji Hae (Department of Pediatrics, Chonbuk National University Medical School)
Kim, Min Sun (Department of Pediatrics, Chonbuk National University Medical School)
Kim, Chan Jong (Department of Pediatrics, Chonnam National University Medical School)
Kim, Jong Duk (Department of Pediatrics, Wonkwang University School of Medicine)
Lee, Dae-Yeol (Department of Pediatrics, Chonbuk National University Medical School)
Publication Information
Clinical and Experimental Pediatrics / v.53, no.3, 2010 , pp. 414-419 More about this Journal
Abstract
Purpose : The purpose of this study was to determine whether there is any difference in the clinical and laboratory characteristics of patients with autoantibody-positive and patients with autoantibody-negative type 1 diabetes at initial presentation. Methods : We analyzed 96 patients under 18 years of age with newly diagnosed type 1 diabetes. One or both of the pancreatic autoantibodies-glutamic acid decarboxylase autoantibodies (GADA) and insulin autoantibody (IAA)-were measured in all patients, and we reviewed clinical and laboratory characteristics according to the presence of these autoantibodies. Results : GADA was examined in 48 of 87 patients, and 55.2% of patients were positive. IAA was checked in 88 patients, and 39.8% were positive. Both GADA and IAA were measured in 83 patients, and 22.8% had both antibodies. The patients who had one or both autoantibodies (autoantibody-positive group) were younger than those not having any autoantibody (autoantibody-negative group). The autoantibody-positive group had lower BMI, corrected sodium level, and serum effective osmolarity, compared to the autoantibody-negative group (P <0.05). Similar differences were found between the GADA-positive and GADA-negative groups. However, there were no significant differences between the IAA-positive and IAA-negative groups. Conclusion : The prevalence of pancreatic autoantibodies was significantly higher in the under-6 years age group than in the other age groups. These findings suggest that measurement of autoantibodies at the initial diagnosis of diabetes is very useful for detecting immune-mediated type 1 diabetes and providing intensive insulin therapy, especially in younger children.
Keywords
Type 1 diabetes; Children; Autoantibody;
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