IJCS | Volume 33, Nº1, January / February 2019

38 Table 1 – Distribution (absolute and relative frequencies) of demographic data by sex Categories Variables Sex Women % Men % Total % Marital status Single 4 11.11 2 5.55 6 16.66 Married 9 24.99 13 36.11 22 61.11 Divorced/separated 4 11.11 1 2.77 5 13.88 Widow(er) 3 8.33 0 0 3 8.33 Total 20 55.55 16 44.44 36 100 Education Illiterate 2 5.55 2 5.55 4 11.11 Primary 13 36.11 8 22.22 21 58.33 Secondary and higher education 5 13.88 6 16.66 11 30.55 Total 20 55.55 16 44.44 36 100 BMI Normal 6 16.66 6 16.66 12 33.33 Overweight 8 22.22 9 24.99 17 47.22 Obesity 6 16.66 1 2.77 7 19.44 Total 20 55.55 16 44.44 36 100 Age < 44 years 8 22.22 3 8.33 11 30.55 45 - 59 years 6 16.66 8 22.22 14 38.88 > 60 years 6 16.66 5 13.88 11 30.55 Total 20 55.55 16 44.44 36 100 Table 2 – Distribution of the types and causes of heart valve replacement Valve replacement Material Valve failure Stenosis Double replacement Total Mitral Tissue 5 1 1 7 Metallic 10 1 11 Aortic Tissue 5 6 11 Metallic 2 3 5 Mitral + aortic Tissue 1 1 Metallic 1 1 Total 22 6 8 36 % 61.1% 16.7% 22.2% 100% Molero Junior et al. Valve prosthesis: assessment of quality of life Int J Cardiovasc Sci. 2020;33(1):36-42 Original Article the family income, 55.6% received less than Brazilian reals (BRL) 1,000; 33.3% gained from BRL 1,000 to BRL 2,000; 8.3% from BRL 2.000 to 3.000; and 2.8% received more than BRL3,000. All patients reported performing physiotherapy during hospitalization, only 2.8% underwent cardiac rehabilitation in the postoperative period, 100% reported to perform clinical tests periodically and 41.7%