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中华诊断学电子杂志 ›› 2020, Vol. 08 ›› Issue (04) : 242 -247. doi: 10.3877/cma.j.issn.2095-655X.2020.04.006

所属专题: 文献

临床研究

2型糖尿病患者血糖水平及血糖变异性与糖化血红蛋白水平的相关性研究
付煊1, 高晖1, 阿米娜1, 向蔚婷1, 谢爱霞1, 谭惠文2, 李农1,()   
  1. 1. 834000 克拉玛依市人民医院内分泌代谢病科
    2. 610041 成都,四川大学华西医院内分泌代谢科
  • 收稿日期:2020-06-01 出版日期:2020-11-26
  • 通信作者: 李农
  • 基金资助:
    2019年克拉玛依市创新人才科技项目(2019RC001A-05)

The correlation between blood glucose levels, blood glucose variability and glycated hemoglobin A1c levels in patients with type 2 diabetes

Xuan Fu1, Hui Gao1, Mina A1, Weiting Xiang1, Aixia Xie1, Huiwen Tan2, Nong Li1,()   

  1. 1. Department of Endocrinology and Metabolism, People's Hospital of Karamay, Karamay 834000, China
    2. Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, China
  • Received:2020-06-01 Published:2020-11-26
  • Corresponding author: Nong Li
  • About author:
    Corresponding author: Li Nong, Email:
引用本文:

付煊, 高晖, 阿米娜, 向蔚婷, 谢爱霞, 谭惠文, 李农. 2型糖尿病患者血糖水平及血糖变异性与糖化血红蛋白水平的相关性研究[J/OL]. 中华诊断学电子杂志, 2020, 08(04): 242-247.

Xuan Fu, Hui Gao, Mina A, Weiting Xiang, Aixia Xie, Huiwen Tan, Nong Li. The correlation between blood glucose levels, blood glucose variability and glycated hemoglobin A1c levels in patients with type 2 diabetes[J/OL]. Chinese Journal of Diagnostics(Electronic Edition), 2020, 08(04): 242-247.

目的

探讨2型糖尿病患者血糖水平及血糖变异性与糖化血红蛋白(HbA1c)的相关性。

方法

选取2019年3月至2020年4月在克拉玛依市人民医院内分泌科就诊的240例2型糖尿病患者,根据HbA1c水平,分为Q1组(5.5%~6.8%)(n=60)、Q2组(6.9%~7.9%)(n=55)、Q3组(8.0%~9.0%)(n=62)和Q4组(9.1%~14.0%)(n=63);采用动态持续血糖监测系统(CGMS)进行连续72 h动态血糖监测,以HbA1c为因变量,以与HbA1c具有相关性的参数为自变量,采用多元线性回归方法进行回归分析。

结果

Q1、Q2、Q3和Q4组的空腹及餐后2 h血糖分别为5.92(4.81,6.64)mmol/L和10.27(8.79,12.34)mmol/L,6.37(5.49,8.49)mmol/L和12.02(9.98,15.27)mmol/L,8.45(6.78,9.97)mmol/L和14.45(11.51,18.12)mmol/L,10.16(8.09,11.52)mmol/L和16.08(12.47,19.27)mmol/L,4组患者72 h动态血糖平均值分别为7.41(6.71,8.14)mmol/L,8.20(7.40,9.30)mmol/L,8.91(7.93,10.35)mmol/L和10.36(9.12,11.79)mmol/L,4组间的平均空腹血糖、餐后2 h血糖随HbA1c的增高而增高,组间比较均差异有统计学意义(H=81.35,37.26,均P<0.05);空腹及餐后2 h血糖、72 h动态血糖平均值、血糖>10.0 mmol/L时间百分率、血糖>7.8 mmol/L时间百分率以及血糖平均标准差(SDBG)与HbA1c具有相关性(r=0.68,0.46,0.63,0.59,0.42,0.36,均P<0.05);多元线性回归分析结果显示72 h动态血糖平均值和空腹血糖为HbA1c的独立影响因素(B=0.23,0.53;均P<0.05)。

结论

血糖变异对HbA1c无影响,空腹血糖和平均血糖为影响HbA1c的主要因素。

Objective

To investigate the relationship between blood glucose level, blood glucose variability and glycated hemoglobin A1c (HbA1c) in patients with type 2 diabetes.

Methods

A total of 240 patients with type 2 diabetes who were admitted to the Endocrinology Department of People′s Hospital of Karamay from March 2019 to April 2020 were selected. Based on the HbA1c level, 240 patients were divided into 4 groups, Q1(5.5%-6.8%)(n=60), Q2(6.9%-7.9%)(n=55), Q3(8.0%-9.0%)(n=62) and Q4(9.1%-14.0%)(n=63). The continuous blood glucose monitoring system (CGMS) was used for continuous 72 h dynamic blood glucose monitoring.With HbA1c as the dependent variable, and parameters related to HbA1c as the independent variable, multiple linear regression method was used for regression analysis.

Results

The fasting and 2 h postprandial plasma glucose levels in the Q1-Q4 groups were 5.92(4.81, 6.64)mmol/L and 10.27 (8.79, 12.34)mmol/L, 6.37 (5.49, 8.49)mmol/L and 12.02 (9.98, 15.27)mmol/L, 8.45(6.78, 9.97)mmol/L and 14.45(11.51, 18.12)mmol/L, 10.16(8.09, 11.52)mmol/L and 16.08(12.47, 19.27)mmol/L, respectively. The mean values of dynamic blood glucose for 72 h in the 4 groups were 7.41(6.71, 8.14)mmol/L, 8.20(7.40, 9.30)mmol/L, 8.91(7.93, 10.35)mmol/L and 10.36(9.12, 11.79)mmol/L, respectively. The average fasting blood glucose and 2 h postprandial glucose of the 4 groups increased with the increase of HbA1c, and the differences between the groups were statistically significant (H=81.35, 37.26, all P<0.05). Fasting and 2 h postprandial blood glucose, the average value of 72 h dynamic blood glucose, the time percentage of dynamic blood glucose >10.0 mmol/L, the time percentage of dynamic blood glucose >7.8 mmol/L and standard deviation of blood glucose levels (SDBG) were correlated with HbA1c (P<0.05), and the correlation coefficients were 0.68, 0.46, 0.63, 0.59, 0.42 and 0.36, respectively. The multiple linear regression analysis results showed that the average values of 72 h dynamic blood glucose and fasting glucose were HbA1c′s independent impact factors (B=0.23, 0.53, all P<0.05).

Conclusions

The blood glucose variation has no effect on HbA1c. The levels of fasting blood glucose and mean blood glucose are the main affecting factors of HbA1c.

表1 不同HbA1c分组T2DM患者一般资料及生化指标的比较
表2 不同HbA1c分组T2DM患者CGMS各参数指标的比较[M(P25P75)]
表3 T2DM患者各参数与HbA1c的相关性分析
表4 T2DM患者各参数与HbA1c的多元线性回归分析
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