| Variables N = 72 | Frequency (n) | Percentage (%) |
| Informed consent score (3 class distribution) | ||
| Poor Quality | 27 | 37.5 |
| Acceptable | 16 | 22.2 |
| Good Quality | 29 | 40.3 |
| Informed consent score (2 class distribution) | ||
| Non Valid Consent | 27 | 37.5 |
| Valid Consent | 45 | 62.5 |