| Variables | Number N (%) | |||
| Clinical Signs | Before Dialysis | After Dialysis | P-value | |
| Signs of Congestion | Peripheral Edema | 6 (19.4) | 3 (9.7) | 0.25 |
| Dyspnea | 10 (32.3) | 2 (6.5) | 0.008 | |
| AP ≥ 140/90 mmHg | 27 (87.1) | 22 (71) | 0.125 | |
| Jugular Veins Turgor | 16 (51.6) | 12 (38.7) | 0.125 | |
| Ascites | 3 (9.7) | 2 (6.5) | 1 | |
| Signs of Hypovolemia | Low Blood Pressure | 0. | 1 (3.2) | 1 |
| Dizziness | 1 (3.2) | 6 (19.4) | 0.063 | |
| Cramps | 0. | 6 (19.4) | 0.031 | |
| Asthenia | 0. | 2 (6.5) | 0.5 | |