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(2004) C-peptide is the appropriate outcome measure for type 1 diabetes clinical trials to preserve beta-cell function: report of an ADA workshop, 21\u201322 October 2001. Diabetes 53: 250\u2013264.","DOI":"10.2337\/diabetes.53.1.250"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12 Cho MJ, Kim MS, Kim CJ, Kim EY, Kim JD, et al. (2014) Fasting serum C-peptide is useful for initial classification of diabetes mellitus in children and adolescents. Ann Pediatr Endocrinol Metab 19: 80\u201385.","DOI":"10.6065\/apem.2014.19.2.80"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13 Iqbal S, Jayyab AA, Alrashdi AM, Revert\u00e9-Villarroya S (2023) The predictive ability of C-peptide in distinguishing type 1 diabetes from type 2 diabetes: a systematic review and meta-analysis. Endocr Pract 29: 379\u2013387.","DOI":"10.1016\/j.eprac.2023.01.004"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14 Ludvigsson J, Carlsson A, Forsander G, Ivarsson S, Kockum I, et al. (2012) C-peptide in the classification of diabetes in children and adolescents. Pediatr Diabetes 13: 45\u201350.","DOI":"10.1111\/j.1399-5448.2011.00807.x"},{"key":"15","doi-asserted-by":"publisher","unstructured":"15 Zhang H, Bian B, Hu F, Su Q (2017) OGTT 1h serum C-peptide to plasma glucose concentration ratio is more related to beta cell function and diabetes mellitus. Oncotarget 8: 51786\u201351791.","DOI":"10.18632\/oncotarget.15239"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16 Saisho Y, Kou K, Tanaka K, Abe T, Kurosawa H, et al. (2011) Postprandial serum C-peptide to plasma glucose ratio as a predictor of subsequent insulin treatment in patients with type 2 diabetes. Endocr J 58: 315\u2013322.","DOI":"10.1507\/endocrj.K10E-399"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17 Uehara R, Yamada E, Nakajima Y, Osaki A, Okada S, et al. 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(2024) New diagnostic criteria  (2023) for slowly progressive type 1 diabetes (SPIDDM): report from committee on type 1 diabetes of the Japan Diabetes Society (English version). J Diabetes Investig 15: 254\u2013257.","DOI":"10.1111\/jdi.14121"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23 Kanda Y (2013) Investigation of the freely available easy-to-use software \u2018EZR\u2019 for medical statistics. Bone Marrow Transplant 48: 452\u2013458.","DOI":"10.1038\/bmt.2012.244"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24 Abdul-Rasoul M, AlOtaibi F, Abdulla A, Rahme Z, AlShawaf F (2013) Quality of life of children and adolescents with type 1 diabetes in Kuwait. Med Princ Pract 22: 379\u2013384.","DOI":"10.1159\/000347052"},{"key":"25","doi-asserted-by":"crossref","unstructured":"25 The Diabetes Control and Complications Trial Research Group  (1998) Effect of intensive therapy on residual beta-cell function in patients with type 1 diabetes in the diabetes control and complications trial. A randomized, controlled trial. Ann Intern Med 128: 517\u2013523.","DOI":"10.7326\/0003-4819-128-7-199804010-00001"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26 Maruyama T, Tanaka S, Shimada A, Funae O, Kasuga A, et al. (2008) Insulin intervention in slowly progressive insulin-dependent (type 1) diabetes mellitus. J Clin Endocrinol Metab 93: 2115\u20132121.","DOI":"10.1210\/jc.2007-2267"},{"key":"27","doi-asserted-by":"publisher","unstructured":"27 Steffes MW, Sibley S, Jackson M, Thomas W (2003) Beta-cell function and the development of diabetes-related complications in the diabetes control and complications trial. 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