Table 1

 Main results of individual studies

Outcome measuresCiarallo L, 1996Devi PR, 1997Gurkan F, 1999Cariallo L, 2000Scarfone RJ, 2000
N/A, data not available; CAS, clinical asthma symptom score; PI, pulmonary index.
OR of hospitalisation (95% CI)0.077 (0.004 to 1.582)0.235 (0.066 to 0.841)N/A0.035 (0.002 to 0.676)0.740 (0.252 to 2.173)
OR of persistent PEFR <60% predicted (95% CI)0.165 (0.035 to 0.785)0.125 (0.021 to 0.753)0.184 (0.027 to 1.244)N/AN/A
Percentage change of PEFR at study end: treatment v placebo; mean (SD)59% (20%) v 20% (11%) (p = 0.05)N/A58.4% (2.9%) v 21.8% (4.5%) (p = 0.0001)87% (7%) v 7% (2%) (p<0.001)N/A
Clinical symptom score at study end: treatment v placebo; mean (SD)N/A6 v 7 (CAS) (p<0.01)2.5 (0.5) v 4.3 (0.3) (CAS) (p<0.001)1.1 v 2.4 (CAS) (p<0.001)5.3 (2.8) v 6 (2.9) (PI) (p = 0.001)
Jadad score44445