actually it looks real good to me, your night seems more steady, and CA is probably first night jitters, now doing the wait 10 days, etc. will probably show gradual improvement as you adapt.
Dedicated to QALity sleep.
You'll note I am listed as an Advisory Member. I am honored to be listed as such. See the fine print - Advisory Members as a group provide advice and suggestions to Apnea Board administrators and staff concerning Apnea Board operation and administrative policies. Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
You asked where I was seeing flow limitations. They are in the bottom graph, and you can see the spikes correlate with pressure increases and some of the events. In your most recent night, they did not exceed about 0.3, but on the previous page of this thread, the flow limitations exceeded 0.5. The most recent night being the most acceptable.
Also in your most recent night of data, the numerous events from 5:45 to 6:30 may have been sleep/wake related. Don't be too discouraged by the overall stats, as most of the night looked pretty good. There are some clusters of OA that could be related to sleeping on your back or REM sleep.
I agree with those other guys. Your graphs are looking great. Anytime we make a change, particularly to pressure, the ahi tends to go up for a night or two. Way too often when this happens folks panic a little and start making other changes. That's exactly why we encourage everyone to make small changes, and watch them for 3 to 5 years......
You are doing remarkable well. Congrats on that.