Table 3

 Mean (SE) values at first and last doses of treatments for pretreatment % predicted FEV1, % predicted FEV1 1 hour after treatment (pre-challenge), and methacholine PC20 (mg/ml)

GenotypeBUD + FMFP + SM
First doseLast dose95% CIFirst doseLast dose95% CI
BUD = budesonide; FM = formoterol, FP = fluticasone propionate; SM = salmeterol.
95% CI values for methacholine PC20 are expressed as doubling dilution difference.
Pretreatment FEV1
Arg-1682 (3)86 (4)(−14 to 7)82 (4)86 (5)(−17 to 9)
Gly-1675 (5)81 (5)(−21 to 8)74 (5)79 (5)(−19 to 9)
95% CI(−5 to 20)(−8 to 17)(−5 to 22)(−7 to 21)
FEV1 1 hour after treatment (pre-challenge)
Arg-1690 (4)92 (4)(−14 to 9)89 (4)90 (4)(−14 to 11)
Gly-1686 (5)87 (5)(−14 to 14)81 (5)83 (4)(−16 to 12)
95% CI(−9 to 16)(−8 to 18)(−6 to 23)(−5 to 20)
Methacholine PC20
Arg-1612.2 (2.9)9.1 (2.6)(−0.7 to 1.5)6.2 (2.5)4.1 (1.6)(−1.0 to 2.2)
Gly-1613.2 (4.2)11.8 (2.4)(−1.0 to 1.3)10.7 (3.1)6.4 (2.3)(−0.6 to 2.1)
95% CI(−1.3 to 1.1)(−1.5 to 0.7)(−2.2 to 0.7)(−2.2 to 0.9)