Abstract P148 Table 1
Mean outcomes by average ΔFEV
1
category
Category centred value of ∆FEV
1
(ml)
TDI (n=2781)
ΔSGRQ (n=3141)
Exacerbation rate/year (n=3158)
−275
1.44
−3.15
0.63
0
1.31
−3.17
0.58
100
1.79
−3.84
0.61
200
2.12
−5.84
0.51
375
2.68
−7.38
0.38