Fig. 4From: Correlation between sestrin2 expression and airway remodeling in COPDAirway parameters on chest CT in control and COPD group. Notes: a Ai8 in control and COPD group; b AO in control and COPD group; c WA% in control and COPD group; d RWT in control and COPD group. *P < 0.05, **P < 0.01, ***P < 0.001 versus control groupBack to article page