Re: update (insomnia) » tealady

Posted by Larry Hoover on September 19, 2003, at 10:02:27

In reply to Re: update (insomnia) » Larry Hoover, posted by tealady on September 19, 2003, at 8:03:25

From the first one, a quote:
> references: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12952360&dopt=Abstract
"A negative correlation between polysomnographic parameters (ODI, minSaO2 and MminSaO2) and testosterone levels was found."
The problem with correlation is that it tells you nothing about the true nature of the relationship between the variables.
There are four possible cases:
1. coincidence (not likely here, IMHO)
2. A leads to B
3. B leads to A
4. Both A and B (and C, here), are caused by an unmeasured variable (call it X).
Frankly, my gut instinct is to go with case 4. However, I also think ODI leading to testosterone decrease is a valid hypothesis, and the oxygen parameters could then be coincidental.
> http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7550526&dopt=Abstract
I think this one just suggests that the whole thing is exceedingly complex.
> Hugs, Jan
Hugs, sweetie.
Lar

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Re: update (insomnia) » Larry Hoover tealady 9/19/03
Re: update (insomnia) » tealady Larry Hoover 9/19/03
Re: update (insomnia) » tealady Larry Hoover 9/19/03
oxygen » Larry Hoover tealady 9/19/03
Re: oxygen » tealady Larry Hoover 9/19/03
Re: oxygen/ 5-HT2C receptor weight gain tealady 9/20/03
Re: oxygen/ 5-HT2C receptor weight gain » tealady Larry Hoover 9/21/03

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