• Bin Bin He, Miao Xu, Li Wei, Yun Juan Gu, Jun Feng Han, Yu Xiang Liu, Yu Qian Bao, and Wei Ping Jia.
• Department of Endocrinology and Metabolism, Shanghai Clinical Center of Diabetes, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai, China. weili63@hotmail. com, liwei1109078@163.com.
• Arch Iran Med. 2015 May 1; 18 (5): 277-83.

AimsTo evaluate the potential association of anemia with micro- and macrovascular complications in Chinese patient with type 2 diabetes mellitus (T2DM).MethodsA total of 1997 patients with T2DM were included in this cross-sectional study. Patients were defined as anemic, if hemoglobin (Hb) levels were < 13 g/dL in males and < 12 g/dL in females. Data on demographics, anthropometric parameters, and co-morbidities were extracted for each patient.ResultsTwenty two percent of T2DM patients (439/1997) had anemia, and those patients with higher rates of micro- and macrovascular complications had higher rates of anemia. Univariate logistic regression analysis showed that anemia was a risk factor of microvascular complications (OR = 1.83, 95% CI: 1.45 - 2.31; P < 0.001) and macrovascular complications (OR = 2.10, 95% CI: 1.63 - 2.71; P < 0.001). After adjusting for conventional risk factors, anemia remained positively associated with microvascular complications (OR = 1.52, 95% CI: 1.17 - 1.99), but lost its association with macrovascular complications (OR = 1.01, 95% CI: 0.73 - 1.41). Anemia was also independently associated with diabetic retinopathy, nephropathy, and peripheral neuropathy.ConclusionsThese findings suggest that anemia was related to both micro- and macrovascular complications in Chinese patients with T2DM, but was only an independent risk factor of microvascular complications. Assessment of Hb levels in T2DM patients may help to prevent subsequent diabetic micro- and macrovascular complications.

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