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Follow-up regimen in HD-centers for different categories of patients
| None | 3 months | 6 months | Annual | Bi-annual | Patient’s request | |
| Patient category | % | % | % | % | % | % |
| At risk/presymptomatic (N = 97) | 4 | 3 | 9 | 43 | 1 | 40 |
| Early stage (N = 100) | 1 | 13 | 40 | 39 | 1 | 6 |
| Mid stage (N = 100) | 0 | 28 | 47 | 19 | 0 | 6 |
| Late stage (N = 94) | 1 | 28 | 35 | 22 | 1 | 13 |
