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Association between platelet distribution width and peripheral arterial disease in elderly patients.
Vasa Pub Date : 2022-07-26 , DOI: 10.1024/0301-1526/a001022
Jiaxing Ke 1 , Nan Lu 1 , Yucheng Liu 1 , Haifeng Chen 1
Affiliation  

Background: The prevalence of peripheral arterial disease (PAD) increases with age. Platelet activation has been linked to PAD. Platelet distribution width (PDW) is a measure of platelet function. This study aimed to investigate the relationship between PAD and PDW in elderly patients. Patients and methods: A total of 416 elderly patients in Fujian Provincial Hospital between January 1, 2018 and June 30, 2019 were enrolled. PAD was diagnosed when the ankle-brachial index (ABI) was below 0.9. Multivariate logistic regression analysis was used to examine the association between PDW and PAD. ROC curves and AUC were used to assess the diagnostic value. Results: Compared to patients without PAD, PDW was higher in patients with PAD (PAD vs. subjects without PAD, 13.19±2.24% vs. 11.52±1.39%, p<0.001). PDW was associated with an increased OR of PAD (OR: 1.667, 95% CI: 1.462-1.901, p<0.001). After adjusting for potential confounding factors, the OR changed to 1.821 (95% CI: 1.535-2.114, p<0.001). This association appeared to be more prominent in females than males (females vs. males, OR: 2.294, 95% CI: 1.556-3.381 vs. OR: 1.695, 95% CI: 1.404-2.047, p<0.001). The AUC area was 0.760 (95% CI: 0.682-0.837) for females and 0.689 (95% CI: 0.627-0.752) for males. Both cut-off values had high specificity (females vs. males, 95% vs. 100%). Conclusions: PDW was higher in elderly patients with PAD than in subjects without PAD, and the association between PDW and PAD persisted after adjusting for confounding factors.

中文翻译:

老年患者血小板分布宽度与外周动脉疾病的相关性。

背景:外周动脉疾病 (PAD) 的患病率随着年龄的增长而增加。血小板激活与 PAD 相关。血小板分布宽度 (PDW) 是血小板功能的量度。本研究旨在探讨老年患者 PAD 与 PDW 之间的关系。患者及方法:2018年1月1日至2019年6月30日福建省立医院共纳入416例老年患者。当踝臂指数(ABI)低于0.9时诊断为PAD。多变量逻辑回归分析用于检查PDW和PAD之间的关联。ROC曲线和AUC用于评估诊断价值。结果:与无 PAD 的患者相比,有 PAD 的患者 PDW 更高(PAD 与无 PAD 的受试者,13.19±2.24% 对 11.52±1.39%,p<0.001)。PDW 与 PAD 的 OR 增加相关(OR:1.667, 95% CI: 1.462-1.901, p<0.001)。在调整了潜在的混杂因素后,OR 变为 1.821(95% CI:1.535-2.114,p<0.001)。这种关联在女性中似乎比男性更突出(女性与男性,OR:2.294,95% CI:1.556-3.381 vs. OR:1.695,95% CI:1.404-2.047,p<0.001)。女性的 AUC 面积为 0.760(95% CI:0.682-0.837),男性为 0.689(95% CI:0.627-0.752)。两个临界值都具有高特异性(女性与男性,95% 与 100%)。结论:患有 PAD 的老年患者的 PDW 高于没有 PAD 的受试者,并且在调整混杂因素后,PDW 与 PAD 之间的关联仍然存在。这种关联在女性中似乎比男性更突出(女性与男性,OR:2.294,95% CI:1.556-3.381 vs. OR:1.695,95% CI:1.404-2.047,p<0.001)。女性的 AUC 面积为 0.760(95% CI:0.682-0.837),男性为 0.689(95% CI:0.627-0.752)。两个临界值都具有高特异性(女性与男性,95% 与 100%)。结论:患有 PAD 的老年患者的 PDW 高于没有 PAD 的受试者,并且在调整混杂因素后,PDW 与 PAD 之间的关联仍然存在。这种关联在女性中似乎比男性更突出(女性与男性,OR:2.294,95% CI:1.556-3.381 vs. OR:1.695,95% CI:1.404-2.047,p<0.001)。女性的 AUC 面积为 0.760(95% CI:0.682-0.837),男性为 0.689(95% CI:0.627-0.752)。两个临界值都具有高特异性(女性与男性,95% 与 100%)。结论:患有 PAD 的老年患者的 PDW 高于没有 PAD 的受试者,并且在调整混杂因素后,PDW 与 PAD 之间的关联仍然存在。
更新日期:2022-07-26
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