One hour after the study medication the asthma score in the rhDNase group showed an adjusted mean decrease from baseline of 1.0 ( 95 % CI 0.5 to 1.6 ) points compared with 0.7 ( 95 % CI 0.3 to 1.2 ) points in the placebo group ( mean difference 0.4 ( 95 % CI -0.2 to 1.0 ) points ; p = 0.23 ) .
