比较表精度

任何试图控制糖尿病超过几天的人经常会对检查血糖水平感到失望。我们的失望有时不是这些水平有多高，而是我们的仪表和测试条看起来有多不稳定。计量准确是一种痛苦——一种情感上的痛苦，可能比身体上的痛苦更大。哪些计量系统是准确的?这可能是新诊断出糖尿病的人问我最多的问题。现在我们第一次有了答案的开头。在我跟踪糖尿病发展的15年里，我还没有看到任何一个我们必须使用的血糖仪的科学比较。直到现在。现在我们有了一项研究，对主要品牌和一些小品牌的电表进行比较。该研究比较了27个血糖监测系统，包括美国市场上的四大系统LifeScan、Roche、Bayer和Abbott。 These are the four companies that seem to have a lock on reimbursement from almost all medical insurance plans. Strangely, the study appears without fanfare. I only learned about it from an executive of i-SENS, the Korean meter manufacturer that invited me to visit South Korea last month. i-SENS makes blood glucose meters and test strips for many other companies that sell them under their own names, and I don't know which, if any, of the meter systems that the new study evaluated came from i-SENS.该研究发表在糖尿病技术与治疗的2010年2月发行的“27血糖的系统精度评估监测系统根据DIN EN ISO 15197.”更好的消息是，该杂志的出版商，玛丽安力博特公司，正在提供到到11世界糖尿病日，这是11月14日除了糖尿病技术与治疗学荣誉年底起其出版物的全文免费在线访问，这包括代谢综合征及相关疾病和儿童肥胖。您可以在查电表的精度研究全文http://www.liebertonline.com/doi/pdfplus/10.1089/dia.2009.0128。
乍一看，这项研究可能不会出现相关的美国人，因为按照欧洲标准评估系统。But the fact is that the U.S. Food and Drug Administration has de facto adopted those standards for the U.S. The European standards are that at least 95 percent of our blood glucose test results have to fall within plus or minus 15 mg/dl of the true result when the level is below 75 mg/dl. The standard allow a little more leeway at higher levels. Our test results have to fall within plus or minus 20 percent when the level is above 75 mg/dl. That's simply because test results at lower levels are critical -- particularly in terms of insulin dose -- so these standards make sense. The good news is that blood glucose systems from three of the four major meter manufacturers fulfilled the European requirements. Five meters from the big four fulfilled the requirements 100 percent. These are Roche's Accu-Chek Aviva and Accu-Chek Active, Abbott's FreeStyle Freedom and FreeStyle Lite, and LifeScan's One Touch Ultra2. Also scoring 100 percent were two meters from a smaller company, Bionime. In total, 16 of the 27 systems in the study fulfilled Europe's minimum accuracy requirements. That means, of course, that more than 40 percent of them simply aren't good enough. Quite a few of these meters are, however, not even sold in the U.S. We knew, of course, that our meters in general aren't good enough. And now we know which ones that we can tend to trust. Anyway, I do encourage you to read the system accuracy evaluation study. At a minimum, please note the tables on "BG Monitoring System Accuracy Results" and "Clarke Error Grid Analysis." Then, you may want to get a meter to replace the old one that you have been using.