Fig. 4From: Association of mannose-binding lectin, ficolin-2 and immunoglobulin concentrations with future exacerbations in patients with chronic obstructive pulmonary disease: secondary analysis of the randomized controlled REDUCE trialA Association of MBL concentrations with admission to an intensive-care unit during follow-up. B Association of IgG concentrations with the occurrence of frequent (> 1) exacerbations during follow-upBack to article page