Genotype | Pre-challenge FEV1 | Methacholine PC20 | Salbutamol recovery | ||||||
---|---|---|---|---|---|---|---|---|---|
BUD + FM | FP + SM | 95% CI | BUD + FM | FP + SM | 95% CI | BUD + FM | FP + SM | 95% CI | |
BUD = budesonide; FM = formoterol, FP = fluticasone propionate; SM = salmeterol. | |||||||||
95% CI values for methacholine PC20 are expressed as doubling dilution difference. | |||||||||
Arg-16 | 80 (12) | 82 (12) | (−13 to 10) | 1.5 (0.2) | 1.4 (0.3) | (−0.8 to 0.8) | 282 (29) | 214 (54) | (−122 to 259) |
Gly-16 | 74 (13) | 74 (14) | (−13 to 14) | 1.3 (0.6) | 1.4 (0.4) | (−1.6 to 1.5) | 150 (89) | 181 (34) | (−200 to 121) |
95% CI | (−7 to 18) | (−5 to 20) | (−1.3 to 1.5) | (−0.9 to 1.1) | (−72 to 337) | (−103 to 169) |