After an initial period of treatment, if therapeutic intervention did not achieve the level of success expected by the family, or the family could not afford continuing treatment costs, patient family members would give up on all therapy and leave the hospital. Some patient family members from both groups gave up on therapy, including 13 cases in the study group and 10 cases in the control group. All of these 23 patients died within 28 days of returning home, which increased the mortality from all causes. If these 23 patients were excluded, the in-hospital mortality would be 54.76% and 17.5% in the control and study groups, respectively, which is close to other current studies .