住院患者高血糖相对常见。 随着肥胖及糖尿病发病率的增加,住院患者的高血糖发生率也在增加。 在一项研究中,高血糖在住院患者中的发生比例为38%(其中26%有已知糖尿病病史,12%在入院前否认糖尿病病史)。[4]Umpierrez GE, Isaacs SD, Bazargan N, et al. Hyperglycemia: an independent marker of in-hospital mortality in patients with undiagnosed diabetes. J Clin Endocrinol Metab. 2002 Mar;87(3):978-82.http://jcem.endojournals.org/cgi/content/full/87/3/978http://www.ncbi.nlm.nih.gov/pubmed/11889147?tool=bestpractice.com 与已知糖尿病患者(3%)或正常血糖患者(1.7%)相比,住院期间新发高血糖患者的住院死亡率显著升高(16%)。[5]Fonseca V. Newly diagnosed diabetes/hyperglycemia in hospitals: what should we do? Endocr Pract. 2006 Jul-Aug;12 Suppl 3:108-11.http://www.ncbi.nlm.nih.gov/pubmed/16905526?tool=bestpractice.com