| Characteristics | Total population (n = 81) | Responders (n = 48) | Non-responders (n = 33) |
| Age groups |
|
|
|
| <30 years | 19 (23.4%) | 16 (33.3%) | 03 (09.1%) |
| 30 - 59 years | 46 (56.8%) | 25 (52.1%) | 21 (63.6%) |
| ≥60 years | 16 (19.8%) | 07 (14.6%) | 09 (27.3%) |
| Gender (% Males) | 58.0% | 58.3% | 57.8% |
| Body mass index (kg/m2) | 25.2 ± 1.9 | 24.8 ± 3.6 | 26.1 ± 2.9 |
| Duration on dialysis (months) | 26 ± 12.5 | 20.2 ± 14.3 | 25.5 ± 12.6* |
| Dialysis hours/week | 10.9 ± 9.3 | 11.2 ± 7.7 | 10.5 ± 9.0 |
| Previous COVID-19 infection | 19 (23.4%) | 12 (22.9%) | 08 (24.2%) |
| Haemoglobin (g/dL) | 08.7 ± 2.9 | 08.3 ± 2.7 | 09.1 ± 3.1 |
| Leucocytes count (×109/L) | 05.2 ± 1.9 | 05.5 ± 1.4 | 04.5 ± 1.6 |
| Lymphocytes count (×109/L) | 01.3 ± 0.5 | 01.4 ± 0.5 | 01.2 ± 0.7 |
| Platelets count (×109/L) | 220 ± 70 | 231 ± 58 | 214.4 ± 73 |
| Albuminemia (g/L) | 33.7 ± 7.8 | 34.3 ± 4.5 | 31.9 ± 6.1 |
| Calcemia (mg/l) | 86.3 ± 7.7 | 84.7 ± 9.2 | 89.7 ± 6.8 |
| Phosphoremia (mg/L) | 58.8 ± 18.4 | 57.0 ± 24.2 | 90.6 ± 31.1 |
| Vitamin D (ng/mL) | 29.6 ± 11.9 | 33.7 ± 18.7 | 26.4 ± 17.3 |
| Hepatitis B portage | 04 (04.9%) | 03 (06.2%) | 01 (03.0%) |