Definition of abbreviations: BDP beclomethasone dipropionate; Bud budesonide; CO crossover; DB double-blind; FP fluticasone propionate; LEM light electron
microscopy; LSA long-standing asthma; ND not done; PC placebo-controlled; pred for prednisone; RCT randomized controlled trial; RDA recently diagnosed asthma;
TEM transmission electron microscopy. The slanted arrows mean “significantly decreased.”
The studies are presented by date. Note the relative lack of data for neutrophils.