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TIB vs TRT

 
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Joined: 17 Jan 2008
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PostPosted: Thu May 27, 2010 3:46 pm    Post subject: TIB vs TRT Reply with quote

What is def. of both TIB & TRT and can you quote the source? thank you
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sleepguy
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Joined: 28 Mar 2003
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PostPosted: Thu May 27, 2010 3:59 pm    Post subject: Reply with quote

Don't have a reference but -

TRT = Total Recording Time - the time from the system begins recording to the time it stops recording.

TIB = Time In Bed - ususally the time from Lights Out to Lights On.

The TRT also includes the machine and biocals, polarity checks, etc.
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somnonaut
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PostPosted: Thu May 27, 2010 9:21 pm    Post subject: Reply with quote

Reference Here
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linuxgeek
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PostPosted: Thu May 27, 2010 9:43 pm    Post subject: Reply with quote

I always wondered if there should be TOB (Time Out of Bed).

It seems sorta odd to include the time the patient gets up and goes to the bathroom as part of the breakdown of sleep/wake measures. I mean it makes sense to include it, but it also makes sense to exclude it. It depends on what you're looking for.
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somnonaut
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PostPosted: Thu May 27, 2010 10:49 pm    Post subject: Reply with quote

AS is the non-inclusion in Sleep reporting of Arousal Time.
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robotrobotrobot
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PostPosted: Thu May 27, 2010 10:51 pm    Post subject: Reply with quote

linuxgeek wrote:
I always wondered if there should be TOB (Time Out of Bed).

It seems sorta odd to include the time the patient gets up and goes to the bathroom as part of the breakdown of sleep/wake measures. I mean it makes sense to include it, but it also makes sense to exclude it. It depends on what you're looking for.

If the patient is in and out of bed frequently due to pain, discomfort due to RLS/PLMD, etc. if would certainly be worth being able to see SE calculated as both TST/TIB and TST/(TIB-TOB). That's assuming we retain TIB as time from lights out to lights on. You're quite right - low SE due to these issues needs to be handled differently - address the root of the problem, not just the symptoms.

My step dad was sent for a PSG when he was being woken nightly due to cervical neck pain. Shockingly enough, he had to get out of bed during the PSG due to the pain. They didn't get enough sleep time to rule out apnea as far as I know, but I haven't seen the report.
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