Fig. 4

CD34⁺CD133⁺CD45⁺, CD45⁺ cells and % of artery lumen and DLco levels. a Number of circulating CD34⁺CD133⁺CD45⁺progenitor cells in non-COPD and COPD patients grouped according to DLco above or below the median value (60% predicted); (b) Number of CD45⁺cells in non-COPD and COPD subjects grouped according to DLco above or below the median value (60% predicted); (c) % of artery lumen in non-COPD and COPD subjects grouped according to DLco above or below the median value (60% predicted). Non-COPD (n = 11), COPD (n = 21), * P < 0.05, Mann Whitney test. Values expressed as mean ± SD