tag:blogger.com,1999:blog-30206473.post116663800841995099..comments2023-10-23T11:24:13.532-04:00Comments on Diabetes Update: The Formulas equating HbA1c to Average Glucose Level Don't Work with Near Normal Blood sugars?Jennyhttp://www.blogger.com/profile/17384082448952856117noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-30206473.post-15459949100932320752011-02-13T11:02:40.153-05:002011-02-13T11:02:40.153-05:00The anon post of July 13 2007 giving conversion fo...The anon post of July 13 2007 giving conversion formulae for the DCCT calculations were incorrect.<br /><br />Given the DCCT formulae:<br />MPG (total)= 1.98 *HbA1c-4.29 mmol/l<br />MPG (Fasting)=1.51 *HbA1c-1.35 mmol/l<br /><br />the correct rearrangements are:<br />HbA1c = 0.505*MPG(total) + 2.167<br />HbA1c = 0.662*MPG(Fasting) + 0.894<br /><br />It wasn't my post but I was trying to Bob Lloydhttps://www.blogger.com/profile/00043808315504950808noreply@blogger.comtag:blogger.com,1999:blog-30206473.post-86971538093438473122008-11-08T10:30:00.000-05:002008-11-08T10:30:00.000-05:00Pegasus,Your problem is that you are converting th...Pegasus,<BR/><BR/>Your problem is that you are converting the 7% a1c to .07. Use 7.Jennyhttps://www.blogger.com/profile/17384082448952856117noreply@blogger.comtag:blogger.com,1999:blog-30206473.post-5226471261841603852008-11-08T10:17:00.000-05:002008-11-08T10:17:00.000-05:00Hi tried using your formula in Excel and although ...Hi tried using your formula in Excel and although your calculater site is a very nice, would prefer to obtain the calc w/o having to go on the website each time. The formula your blog provided produces an unintelligable result: This is what I used in Excel: <BR/>= (1.583 * 0.07 - 2.52)*18.05<BR/>Produces: -43.4859. What gives?<BR/><BR/>Specifically, I am interested in the formula you use to Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-30206473.post-70703504475968178602007-07-13T16:49:00.000-04:002007-07-13T16:49:00.000-04:00In the U.S. MPG (mean plasma glucose) is the same ...In the U.S. MPG (mean plasma glucose) is the same as the readings on our blood sugar meters (mean blood glucose or MBG) because these meters already convert the blood value to that plasma value which is 12% higher. <BR/><BR/>In the UK, this is not the case, some meters do convert, others do not. I've written about this in an earlier blog posting.Jennyhttps://www.blogger.com/profile/17384082448952856117noreply@blogger.comtag:blogger.com,1999:blog-30206473.post-15240724880650876132007-07-13T15:47:00.000-04:002007-07-13T15:47:00.000-04:00thanks for your information.i just want to remind ...thanks for your information.<BR/>i just want to remind you that MPG is different to MBG. Usually use:<BR/>MPG=1.11MBG.<BR/><BR/>The DCCT formula is:<BR/>MPG (total)= 1.98 *HbA1c-4.29 mmol/l<BR/>MPG (Fasting)=1.51 *HbA1c-1.35 mmol/l<BR/><BR/>using simple statistics, we may have<BR/>HbA1c= 0.34 *MPG (total) +4.118 mmol/l<BR/>HbA1c= 0.315 *MPG(Fasting)+4.687<BR/>mmol/l<BR/><BR/>1 mmol/l=18 mg/dlAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-30206473.post-1167858774433184902007-01-03T16:12:00.000-05:002007-01-03T16:12:00.000-05:00Your website and blog has been truly eye-opening f...Your website and blog has been truly eye-opening for me since I found it almost two months ago. After reviewing my lab results for glucose for ten years, I am pretty sure I have a glucose tolerance problem, despite it never catching a doctor's attention outside of pregnancy (high "normal" fasting glucose around 100-108; 5.5 A1c; I do better on a low carb way of eating; gestational diabetes with Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-30206473.post-1166653410741198212006-12-20T17:23:00.000-05:002006-12-20T17:23:00.000-05:00very informative post. thank you. i often have wo...very informative post. thank you. i often have wondered why my a1c is higher than the readings i get after every meal. nathan's calculation is much closer to what i usually have.<BR/><BR/>your blog is really one of the best, most informative on the web. thanks.Anonymousnoreply@blogger.com