Re: Vices on the course


"Larry Bud" <larrybud2002@xxxxxxxxx> wrote in message
news:1131121726.969494.255750@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> Tom K wrote:
>> "Larry Bud" <larrybud2002@xxxxxxxxx> wrote in message
>> news:1131024578.079501.220240@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> >> The 20 year survival rate for Lung Cancer is only 6% (60 out of 1000
>> >> will
>> >> survive 20 years). And the 5 year survival is only 15%.
>> >
>> > That's a misleading and irrelevant stat if you don't compare it to
>> > survival rates for a person without cander with the same age as the one
>> > with cancer.
>> >
>> > I mean, if a person 90 years old gets lung cancer, and they die when
>> > they're 93, you end up lumping them into a group. But without any
>> > other stats, that may be above or below the average life expentancy for
>> > a 90 year old.
>> >
>>
>> Here is additional data as well as the website.
>>
>> For thyroid cancer the 20 year survival rate is 95%. For testicular
>> cancer
>> it's 88%. For prostate it's 83%. For breast cancer it's 65%. Given
>> those
>> kinds of numbers, I would think that the survival rates are independent
>> of
>> other causes of death. Age doesn't seem like it's factored in. Though I
>> could be wrong.
>
> Maybe I'm not clear. Let say you're 80 years old, and the survival rate
> for ANY 80 year old to make it to 85 is 25% (I'm making these #'s up).
>
> Now the 80 year old gets cancer and died before he's 85. Suddenly
> "cancer" is listed as cause of death, and the death gets grouped into
> "5 year cancer surivial rate" stats. While it may technically be a
> true stat, not knowing that ANY 80 year old 5-year surivival rate is
> 25% is an important piece of missing information.
>

Debating accuracy of low number is one thing... but the more important thing
may be the medical issue. Looking at things like testicular or thyroid,
even breast cancer, you can remove the cancerous organ surgically. Get the
cancer out of the body. As a result, they can have a high survival rate, so
long as the cancer didn't spread. But, it's virtually impossible to do
surgery on lungs, since they do so much bleeding.

And while some cancers (like thyroid) have built in targeting (thyroid cells
are the only cells in the body that absorb iodine so you can use radioactive
iodine to kill the cells without killing any other cells in the body) I
don't think there is much success using chemo with lung cancer. The big
hope with biologicals is that they can find ways to do specific site
targeting, but it's just not there yet. And may not be for decades.

--Tom


.

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