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Home blood prick tests - a waste of time?
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<blockquote data-quote="KennyA" data-source="post: 2695200" data-attributes="member: 517579"><p>It all depends how you use them. My experience is that I needed a structured rather than random pattern of testing. I found that testing immediately before food and then at +2 hours was extremely useful in enabling me to work out which foods (and illness, and exercise, and stress) did what to my blood glucose. Yes, there is an expected level of inaccuracy (as there is for the A1c) but it evens out. </p><p></p><p>As the A1c and the fingerprick tests are testing different things - the A1c counts glycated red blood cells, which is a useful proxy for BG levels over the last three months or so, and fingerprick tests give you a BG reading at that instant, you might expect some difference, and it seems clear from many experiences that one cannot be reliably predicted from the other. </p><p></p><p>So your fingerprick test results were not necessarily wrong: they may have been perfectly accurate in themselves. But tests every week or two, at different times etc. won't show a pattern. Yes, you might catch a very high reading, by chance. But you have no idea what was happening to your BG when you weren't testing. The conclusion drawn from the test values might not therefore have been the correct one.</p></blockquote><p></p>
[QUOTE="KennyA, post: 2695200, member: 517579"] It all depends how you use them. My experience is that I needed a structured rather than random pattern of testing. I found that testing immediately before food and then at +2 hours was extremely useful in enabling me to work out which foods (and illness, and exercise, and stress) did what to my blood glucose. Yes, there is an expected level of inaccuracy (as there is for the A1c) but it evens out. As the A1c and the fingerprick tests are testing different things - the A1c counts glycated red blood cells, which is a useful proxy for BG levels over the last three months or so, and fingerprick tests give you a BG reading at that instant, you might expect some difference, and it seems clear from many experiences that one cannot be reliably predicted from the other. So your fingerprick test results were not necessarily wrong: they may have been perfectly accurate in themselves. But tests every week or two, at different times etc. won't show a pattern. Yes, you might catch a very high reading, by chance. But you have no idea what was happening to your BG when you weren't testing. The conclusion drawn from the test values might not therefore have been the correct one. [/QUOTE]
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