Figure 3
Correlation of serum YKL-40 levels with FEV 1 (a) and ACT score (b) at baseline visit. Note: FEV1, forced expiratory volume in one second; ACT, asthma control test.
Figure 3 | BMC Pulmonary Medicine
Correlation of serum YKL-40 levels with FEV 1 (a) and ACT score (b) at baseline visit. Note: FEV1, forced expiratory volume in one second; ACT, asthma control test.