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It might seem that way.
But think about it.
Sleep tests are so expensive that only people with symptoms and obvious signs of sleep problems get sent for the studies. So basically, the people sent for sleep tests are ones the doctors already know need treatment. In my opinion, the only reason the sleep test happens, in many instances, is simply to prove to insurance what the doctor already knows from the symptoms and examination.
So the problem is that not enough borderline people are being sent for studies.
If everyone was sent for sleep studies, whether they had any symptoms or not, the percentages would be very different.
Jason said:I asked my doctor about how many people tested come back positive for sleep apnea and he said that 95% of those tested came back positive. This to me does not sound right. Its hard from me to believe that majority of people tested have sleep apnea. I was under the impression that less then 10% of population has some form of sleep apena, even 10% sounds high to me. So how can 95% of those tested come back positive.
Sound like a push to market CPAP equipment.
I would have to make up a statistic to attack your made up statistic, so I'll let it stand. :-)
Thing is, I think you may often take the statistics about the number of people for whom OSA is "present" (in the sense of having an AHI over 5) and then assume that means all those people would be diagnosed as having obstructive sleep apnea syndrome (OSAS/OSAHS).
My understanding is that those are two very different things.
Someone without symptoms may not receive the diagnosis, even if they have an AHI of 20 AHI or so, according to present standard practice. Having effects beyond AHI is needed for the diagnosis in every definition of the syndrome.
So when statistics include people with an AHI between 5 and 20, some include them as those "with" OSA and some include them as those "without" OSA. And that is fine (even if very confusing), since, depending on whether you are discussing people with a significant measurable amount of breathing disturbance or are discussing people who would actually get diagnosed, in context, it may be correct to include them in either category.
In other words, "OSA" is sometimes used to refer to people with AHI over five and is sometimes used more specifically to refer to people diagnosed, or who meet the criteria for, "OSAS" or "OSAHS."
Confusing, but a distinction worth making when throwing statistics around, and few studies bother to do that these days, it seems.
Does that make any sense, or am I talking in circles again. Because I never know. :-)
I asked my doctor about how many people tested come back positive for sleep apnea and he said that 95% of those tested came back positive. This to me does not sound right. Its hard from me to believe that majority of people tested have sleep apnea. I was under the impression that less then 10% of population has some form of sleep apena, even 10% sounds high to me. So how can 95% of those tested come back positive.
Sound like a push to market CPAP equipment.
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