3.1 Demographic characteristics
A total of 63 patients met the inclusion and exclusion criteria and consented to be enrolled in the study, out of whom 32 patients were in the general group and 31 patients in the heavy group. The average age of the patients in the general group was 62.25±15.07 years with 15 male patients, whereas the average age of the patients in the heavy group was 64.55±14.88 years with 18 male patients. The differences in age and gender between the two groups were not found to be statistically significant (P > 0.05).