Figure 4

Correlations between percentage of Type II fibres (x axis) and qPCR gene expression (corrected by GAPDH housekeeping gene (ΔΔCt) CDKN1A panel A; ANKRD1 panel B) in COPD _L (o), COPD _N (●) and C (■) (y axis). Solid line represents regression line and dashed lines 95% CI.