Results: The mean age was 45.87 ± 18.32 years, the age group 31 - 60 accounted for 87%, male accounted for 69.6% female, accounting for 30.4%.
Kết quả: Tuổi trung bình 45,87 ± 18,32 tuổi, nhóm tuổi 31 – 60 chiếm 87%, nam chiếm 69,6% nữ chiếm 30,4%.