| VARIABLES | Group A | Group B | |
| Gender | Male | 46 (80.70) | 23 (92.00) |
| Female | 11 (19.29) | 2 (8.00) | |
| Race | White | 22 (38.59) | 7 (28.00) |
| Brown | 17 (29.82) | 14 (56.00) | |
| Black | 14 (24.56) | 3 (12.00) | |
| Mulatto | 3 (5.26) | 1 (4.00) | |
| Indigenous | 1 (1.75) | 0 (0.00) | |
| Marital status | Married | 22 (38.59) | 15 (60.00) |
| Single | 16 (28.07) | 3 (12.00) | |
| Divorced | 10 (17.54) | 6 (24.00) | |
| Stable union | 8 (14.03) | 1 (4.00) | |
| Widow | 1 (1.75) | 0 (0.00) | |
| Family income monthly | 1 to 3 minimum wage* | 33 (57.89) | 1 (4.00) |
| 3 to 5 minimum wage | 24 (42.10) | 24 (96.00) | |
| Children | Yes | 41 (71.92) | 18 (72.00) |
| No | 16 (28.07) | 7 (28.00) | |
| Working area | Infirmary | 23 (40.35) | 8 (32.00) |
| Coronary unit | 17 (29.82) | 9 (36.00) | |
| Emergency Cardiology | 13 (22.80) | 6 (24.00) | |
| Hemodynamics | 4 (7.01) | 2 (8.00) | |