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Different AHI readings
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Sleepyjohnnie Offline

New Members

Posts: 1
Joined: May 2016

Machine: Resmed S9
Mask Type: Nasal mask
Mask Make & Model: Mirage fx
Humidifier: None
CPAP Pressure: Unsure
CPAP Software: Not using software

Other Comments:

Sex: Male
Location:

Post: #1
Different AHI readings
Hi All, I am new to this forum I have a Resmed S-9 Auto I have been using it for a couple of years and never had any software to download the SD card until now. I tried SleepyHead and the Resmed software, on the Sleephead I have a AHI of 7.09 and on the Resmed 23.6 and also on the display on the machine the same, what am I doing wrong? The usage time is the same so I am reading the correct day/s. All the readings are different two days ago Sleepyhead AHI was 7.47 and Resmed was 21.8. Any comments would be greatly appreciated.
06-19-2016 09:54 AM
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sonicboom Offline

Advisory Members

Posts: 474
Joined: May 2015

Machine: Airsense 10 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10, Dreamwear
Humidifier: Integrated
CPAP Pressure: 4.6-7.6
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Washington

Post: #2
RE: Different AHI readings
Make sure the time periods being measured (one day, one week, one month, two days, etc...) are the same.

Coffee
06-19-2016 10:17 AM
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trish6hundred Offline

Advisory Members

Posts: 6,449
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #3
RE: Different AHI readings
Hi Sleepyjohnnie,
WELCOME! to the forum.!
Hang in there for more answers about your data. Much success to you as you continue your CPAP therapy.

trish6hundred
06-19-2016 03:22 PM
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graeme Offline

Preferred Members

Posts: 31
Joined: May 2013

Machine: Philips Respironics Remstar Pro C-Flex+
Mask Type: Nasal mask
Mask Make & Model: Fisher & Paykel ESON
Humidifier: Respironics System One Heated Humidifier with Heated Tube
CPAP Pressure: 14 cm
CPAP Software: SleepyHead EncoreBasic

Other Comments: Intermittently use CMS50D+ Oximeter

Sex: Male
Location: Liverpool, NSW Australia

Post: #4
RE: Different AHI readings
Are the reports showing AHI or RDI? The latter will account for the higher reading. Sleepyhead can report either.
06-19-2016 06:01 PM
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green wings Offline

Advisory Members

Posts: 547
Joined: Feb 2016

Machine: Respironics System One RemStar Pro (460)
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: integrated humidifier
CPAP Pressure: 13.0 cm
CPAP Software: SleepyHead

Other Comments: using CPAP since Jan. 2016

Sex: Undisclosed
Location: US

Post: #5
RE: Different AHI readings
Another possibility is that SleepyHead has data for more than one session for the day and that one of the sessions got switched to "OFF". See this thread for a more detailed explanation of this.
06-19-2016 06:23 PM
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