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Figure 3 The percentage of fibrosis of the free walls and appendages in both atria after five weeks of pacing. The percentage of fibrosis in all atrial regions in the candesartan group was markedly lower than that in the control, although greater than that in the sham group. Hatched bars = sham group; white bars = control group; black bars = candesartan group. {dagger}p < 0.001 compared with the control group. *p < 0.05 compared with the sham group. RAA = right atrial appendage; RAFW = right atrial free wall; LAA = left atrial appendage; LAFW = left atrial free wall.