ANGPT2 and asthma: For the whole asthma group inverse correlation of serum Angiopoietin-2 levels with respiratory function parameters: FEV1% of predicted value (R = −0.31; p < 0.05) FEV1/FVC value (R = −0.21; p < 0.05) and MEF 25-75 (R = −0.27; p < 0.01) was found.