| Presence of arterial hypertension | Total | ||
| non | oui | ||
| Not known hypertensive | 244 (100%) | 90 (84.9%) | 334 (95.4%) |
| known hypertensive | 0 (0%) | 16 (15.1%) | 16 (4.6%) |
| Total | 244 (100%) | 106 (100%) | 350 (100%) |