状细胞特征与黑人美国人的血红蛋白A1c的关联
Mary E Lacy1, Gregory A Wellenius1, Anne E Sumner2
1Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island.
JAMA
|February 8, 2017
概括
状细胞特征 (SCT) 与非洲裔美国人的血红蛋白A1c (HbA1c) 水平较低有关. 这表明HbA1c可能会低估SCT患者的血糖.
科学领域:
- 临床化学
- 血液学
- 流行病学
背景情况:
- 血红蛋白A1c (HbA1c) 是评估过去血糖控制的一个关键生物标志物.
- 反映血糖的HbA1c的准确性可能受到血红蛋白变异的影响,例如状细胞特征 (SCT).
- 了解这些差异对于对不同人群进行准确的糖尿病管理至关重要.
研究的目的:
- 研究非洲裔美国人的状细胞特征 (SCT) 和HbA1c水平之间的关联.
- 要确定SCT是否影响测量葡萄糖水平和HbA1c之间的关系.
- 评估糖尿病前期和糖尿病诊断的影响.
主要方法:
- 这是一项回顾性队列研究,涉及来自CARDIA和JHS研究的4620名参与者.
- 使用通用估计方程 (GEE) 分析SCT和HbA1c之间的关联,控制葡萄糖水平.
- 数据包括同时测量HbA1c,禁食葡萄糖和2小时葡萄糖.
主要成果:
- 与没有SCT的参与者相比,SCT的参与者在同等的禁食或2小时葡萄糖度下具有统计学上显著的HbA1c水平.
- 在较高的葡萄糖水平下,HbA1c的差异更加明显.
- 在被诊断为HbA1c的SCT患者中,前糖尿病和糖尿病的患病率显著降低.
结论:
- 在非洲裔美国人中,状细胞特征与较低的HbA1c水平有关.
- 在SCT患者中,HbA1c可能会系统地低估血糖.
- 需要进一步的研究来评估HbA1c在这个群体中的效用.
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