1. Are you on O2? If so, what is your FEV1? Does your FEV1 seem to change when your O2 therapy needs (i.e. O2 sats) change?
<br />I have an FEV1 in the 30s, but I don't *necessarily* think there's a huge correlation. I know people with lower FEV1s and higher O2 sats, and vise-versa.
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