Correlations between left atrial dimension, LVEF and plasma PAGln. (A) Higher left atrial diameters (LAAPD, LALRD and LAUDD) in the high-PAGln group (>66.86 ng/L) than in the low-PAGln group (≤66.86 ng/L). LAAPD, left atrial anteroposterior diameter, p = 0.002; LAUDD, left atrial up and down diameter, p = 0.002; LALRD, left atrial left and right diameter, p = 0.056. (B) Plasma levels of PAGln were elevated in AF patients with LAE compared to the levels in AF patients without LAE. p = 0.337. (C–E) Plasma PAGln was positively associated with LAAPD (R = 0.317, p < 0.001), LALRD (R = 0.231, p = 0.011) and LAUDD (R = 0.305, p < 0.001) based on Pearson correlation analysis. (F) Plasma PAGln was negatively related to LVEF (R = −0.175, p = 0.055). Pearson correlation analysis. **, p < 0.01; ns, no significance.