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Author Topic: New Entry Question  (Read 831 times)

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Offline Nextdoor_guy

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  • Posts: 82
New Entry Question
« on: October 13, 2010, 04:43:40 PM »
Hey guys, am new here, and what I noticed at lots of people around is that, next to the CD4 value, it's a "%"

As far as I know, the "normal" values of CD4. are between 500 and 1500.

So from which value is the percentage, or what does it mean cuz am totally lost : )

There's too much confusion.

Offline Matty the Damned

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  • Posts: 12,264
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Re: New Entry Question
« Reply #1 on: October 13, 2010, 04:51:18 PM »
A good question. As usual our Lessons have the answer.

What is the CD4 Percentage?

If you look at your lab report, you will also see something called your CD4+ percentage (%). This is an important number for you and your doctor to know. In healthy adults, the number of CD4 cells make up between 32% and 68% of the total number of lymphocytes?a large group of white blood cells that include CD4 cells, CD8 cells (see below), and B-cells. In fact, the lab uses the CD4 percentage to determine the number of CD4 cells in a sample of blood.

The CD4 percentage is sometimes a more reliable measurement than the CD4 count because it tends to vary less between measurements. For example, one person's CD4 count may vary between 200 and 300 over a several month period while their CD4 percentage remains constant at, say, 21%. Provided that the CD4 percentage stays at 21% or higher, the immune system still appears to be functioning properly, regardless of what the CD4 count is. At the same time, a CD4 percentage at or below 13%?regardless of what the actual CD4 count is?usually means that the immune system is damaged and that it is time to begin prophylactic treatment (drugs to prevent diseases) for opportunistic infections like PCP.



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