Mehta Sanjeev N, Quinn Nicolle, Volkening Lisa K, Laffel Lori M B
Pediatric, Adolescent, and Young Adult Section, Joslin Diabetes Center, Boston, Massachusetts, USA.
Diabetes Care. 2009 Jun;32(6):1014-6. doi: 10.2337/dc08-2068. Epub 2009 Feb 24.
To study the association between parent carbohydrate counting knowledge and glycemic control in youth with type 1 diabetes.
We assessed 67 youth ages 4-12 years with type 1 diabetes (duration >or=1 year). Parents estimated carbohydrate content of children's meals in diet recalls. Ratios of parent estimates to computer analysis defined carbohydrate counting knowledge; the mean and SD of these ratios defined accuracy and precision, respectively. A1C defined glycemic control.
Greater accuracy and precision were associated with lower A1C in bivariate analyses (P < 0.05). In a multivariate analysis (R(2)= 0.25, P = 0.007) adjusting for child age, sex, and type 1 diabetes duration, precision (P = 0.02) and more frequent blood glucose monitoring (P = 0.04), but not accuracy (P = 0.9), were associated with lower A1C. A1C was 0.8% lower (95% CI -0.1 to -1.4) among youth whose parents demonstrated precision.
Precision with carbohydrate counting and increased blood glucose monitoring were associated with lower A1C in children with type 1 diabetes.
研究1型糖尿病青少年的父母碳水化合物计算知识与血糖控制之间的关联。
我们评估了67名4至12岁的1型糖尿病青少年（病程≥1年）。父母在饮食回忆中估计孩子餐食的碳水化合物含量。父母估计值与计算机分析值的比率定义为碳水化合物计算知识；这些比率的均值和标准差分别定义为准确性和精确性。糖化血红蛋白（A1C）定义血糖控制情况。
在双变量分析中，更高的准确性和精确性与更低的A1C相关（P<0.05）。在一项多变量分析（R² = 0.25，P = 0.007）中，对儿童年龄、性别和1型糖尿病病程进行校正后，精确性（P = 0.02）和更频繁的血糖监测（P = 0.04）与更低的A1C相关，但准确性（P = 0.9）与之无关。父母表现出精确性的青少年的A1C低0.8%（95%可信区间为-0.1至-1.4）。
1型糖尿病儿童的碳水化合物计算精确性和血糖监测频率增加与更低的A1C相关。
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