Results on the P10 pillow mask vs. prior results w/ Mirage FX nasal mask -
AHI - up from a monthly average of 0.69 to 3.60 for the night
Obstructive index - up from .034 to 2.62 for the night
Average pressure - up from 8.55 to 10.24 for the night
90% pressure - up from 10.00 to 14.30 for the night
Pressure with the nasal mask almost NEVER went above 12.
Now, as noted, that is one point in time and is not in and of itself data, but it is not a welcome result. I don't really understand how a mask change would change the need for pressure changes or cause higher AHI values. Unless it is related to the calibration on the resistance factor or whatever that setting is on the PRS1. Still wouldn't, I think change the AHI numbers unless the machine is topping out on the pressure range and not providing effective treatment. Now, looking at SH data, it got CLOSE to my max of 15 a few times, but never actually got to it. Now, the slower Al Gore rhythm of the PR machines may just not have totally caught up.
I can think of a couple of things that might help. I can bump the max pressure up to 20 and see if my AHI numbers come back in line and see where my 90% pressure is. That would provide for protection and if they do come back in line while my 90% pressure and average pressures stay high, I would think it would indicate a calibration factor and a need to fart around with the resistance factor settings.
I am not one that normally would change anything based on one night's use, but I think bumping up the max pressure may be a prudent thing to do.