Relationship between Angiotensin Converting Enzyme, Apelin, and New-Onset Atrial Fibrillation after Off-Pump Coronary Artery Bypass Grafting

Figure 3

(a) Correlation analysis of preoperation ACE and apelin. There was correlation between serum ACE and apelin preoperatively (Pearson correlation = −0.441, ). (b) Correlation analysis of postoperation ACE and apelin. There was correlation between serum ACE and apelin postoperatively (Pearson correlation = −0.329, ).

(a)

(b)