Fig. 2From: Distinct emphysema subtypes defined by quantitative CT analysis are associated with specific pulmonary matrix metalloproteinasesBAL expression of TIMPs in subjects with COPD and preserved lung function. a TIMP-1 (b) TIMP-2 (c) TIMP-3 (d) TIMP-4. Data represents median upper and lower quartiles. Each dot represents BAL concentration of individual MMP in a specific patient, n = 24 for COPD and 8 for preserved lung function. * p < 0.05 using Mann-Whitney U testBack to article page