Intervention control of aerobic exercise in maintaining quality of life and pulmonary hypertension in hemodialysis patients

Figure 4 6-minute walk distance test indicators (A) and Borg scores (B) for two groups. ^bP < 0.01 and ^eP < 0.001 vs the same group before treatment; ^cP < 0.05 and ^dP < 0.01 vs group C. 6MWD: 6-minute walk distance test.