On 2014 Nov 25, Harri Hemila commented:

A secondary analysis of this study has been published in Hemilä H, 2013, DOI. The secondary analysis calculated that the incidence of all asthma attacks was reduced by RR = 0.22 (95% CI 0.06 to 0.81), and the incidence of severe and moderate asthma attacks was reduced by RR = 0.11 (95% CI 0.02 to 0.48).

On 2014 Nov 25, Harri Hemila commented:

A secondary analysis of this study has been published in Hemilä H, 2013, DOI. The secondary analysis calculated that the incidence of all asthma attacks was reduced by RR = 0.22 (95% CI 0.06 to 0.81), and the incidence of severe and moderate asthma attacks was reduced by RR = 0.11 (95% CI 0.02 to 0.48).