Figure 2.
Factors associated with bronchiectasis. (a) Current age of patients with bronchiectasis. (b) Age at which patients with (blue) and without (orange) bronchiectasis commenced immunoglobulin (Ig) replacement therapy. (c) Recent serum IgG concentration in patients with (blue) and without (orange) bronchiectasis. Insert: percentage of patients with serum IgG concentrations > 4·0, > 7·0, > 10·0 and > 14·0 g/l. **P < 0·005 using Breslow or χ2 statistics. [Colour figure can be viewed at wileyonlinelibrary.com]