lung function test in old age

[tarsuc]

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what happens to the following in old age? anyone?

FEV1
FVC
TLC
RV
compliance
DLCO

 

[Anti-PD1]

what happens to the following in old age? anyone?

FEV1
FVC
TLC
RV
compliance
DLCO

TLC corrected for age stays same
FEV1, FVC decline
RV, FRC increase
DLCO decreases
Compliance increases with age

So I guess old age has near-obstructive pattern