Table 2.
Characteristics of dialysis patients aged ≥80 years.
| All | Living | Deceased | P value | |
|---|---|---|---|---|
| Number of patients | 141 | 34 | 107 | |
| Male/female | 73/68 | 17/17 | 56/15 | 0.0026 |
| Duration from first visit to dialysis initiation (months) | 4.2 ± 13 | 8.3 ± 18 | 4.2 ± 11 | 0.2154 |
| Age at start dialysis (years) | 84 ± 3.1 | 84.5 ± 3.6 | 84.1 ± 3.0 | 0.5540 |
| Deceased within 1 year | 49 (46%) | |||
| ECOG-PS at dialysis initiation | 2.2 ± 1.3 | 1.2 ± 1.4 | 2.2 ± 1.2 | 0.0004 |
| Cerebro-cardiovascular disease | 88 (62%) | 20 (59%) | 68 (64%) | 0.6200 |
| Diabetes mellitus | 49 (35%) | 11 (32%) | 38 (36%) | 0.7360 |
| Mean blood pressure (mmHg) | 117 ± 21 | 114 ± 22 | 117 ± 22 | 0.4817 |
| Systolic | 156 ± 31.7 | 159 ± 34.1 | 156 ± 31.1 | 0.7437 |
| Diastolic | 78 ± 16 | 69.6 ± 15.6 | 77.6 ± 16.2 | 0.0132 |
| Body mass index | 22 ± 4.3 | 23.2 ± 4.0 | 22.2 ± 4.4 | 0.2319 |
| Hemoglobin (g/L) | 8.9 ± 1.9 | 9.2 ± 1.9 | 8.9 ± 1.9 | 0.4054 |
| BUN (mg/dL) | 84 ± 33 | 76.7 ± 33.7 | 83.5 ± 33.1 | 0.3071 |
| eGFR | 8.4 ± 4.5 | 7.9 ± 4.1 | 8.4 ± 4.7 | 0.5604 |
| Albumin (mg/dL) | 3.4 ± 0.6 | 3.5 ± 0.5 | 3.4 ± 0.7 | 0.1813 |
| Phosphorus (mg/dL) | 5.3 ± 1.6 | 5.0 ± 1.3 | 5.3 ± 1.7 | 0.2801 |
| Potassium (mEq/L) | 4.8 ± 1.0 | 5.0 ± 0.8 | 4.8 ± 1.0 | 0.3065 |
| Calcium (mg/dL) | 8.8 ± 0.7 | 8.4 ± 0.6 | 8.1 ± 0.8 | 0.0110 |