4.4 Article

The Platelet-to-Lymphocyte Ratio Predicts Diabetic Retinopathy in Type 2 Diabetes Mellitus

出版社

DOVE MEDICAL PRESS LTD
DOI: 10.2147/DMSO.S378284

关键词

type 2 diabetes mellitus; diabetic retinopathy; neutrophil-to-lymphocyte ratio; platelet-to-lymphocyte ratio; monocyte-to-lymphocyte ratio; inflammation

资金

  1. Scientific Research Project of the Health and Family Planning Commission of Sichuan Province
  2. Scientific Research Project of the Health and Family Planning Commission of Chengdu Municipal
  3. Scientific Research Fund of Chengdu Fifth People?s Hospital
  4. [18PJ352]
  5. [2018094]
  6. [2018090]

向作者/读者索取更多资源

Diabetic retinopathy (DR) is a severe neurovascular complication of type 2 diabetes mellitus (T2DM) and chronic inflammation potentially plays a significant role in its pathogenesis. This study found that platelet-to-lymphocyte ratio (PLR) may be an independent risk factor for evaluating DR in T2DM patients.
Introduction: As a severe and specific neurovascular complication of type 2 diabetes mellitus (T2DM), diabetic retinopathy (DR) remains the leading cause of vision loss and preventable blindness in adults aged 20 to 74. The pathogenesis of DR is not completely understood, however, studies indicate that chronic inflammation plays a significant role. Emerging evidence suggests that the neutrophil-to-lymphocyte ratio (NLR), the platelet-to-lymphocyte ratio (PLR), and the monocyte-to-lymphocyte ratio (MLR) are novel potential inflammatory response markers. The purpose of this study was to investigate the relationships between the NLR, PLR, MLR, and DR. Patients and Methods: 290 patients who had been diagnosed with T2DM participated in the study. Patients were categorized into three groups: 142 control subjects with T2DM, 124 subjects with nonproliferative diabetic retinopathy (NPDR), and 24 patients with proliferative diabetic retinopathy (PDR). Characteristics, laboratory data, as well as NLR, PLR and MLR levels of the study groups were compared. Results: In patients with DR, the median NLR, PLR, and MLR were significantly higher than in patients without DR (p = 0.012, p < 0.001, and p = 0.043, respectively). In the post hoc analysis, there was no correlation between the severity of retinopathy and the increase in NLR or PLR. Multiple logistic regression revealed that the PLR was an independent risk factor for DR (odds ratio [OR]: 1.020, 95% confidence interval [CI]: 1.010-1.029 p = 0.026). Based on the receiver operating characteristic (ROC) curve, the cutoff value of PLR as an indicator for diagnosing DR was estimated to be 129.65, with a sensitivity and specificity of 53.4% and 76.1%, respectively, and an area under the curve of 0.668 (95% CI: 0.605-0.730, p < 0.001). Conclusion: Our findings suggest that PLR may be an independent risk factor for evaluating DR in type 2 diabetes patients.

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