Table 1.
Patient demographics.
| No PM | PM | PM after RRT (group A + C); see text | |
|---|---|---|---|
| n (%) | 2668 (96) | 110 (4) | 83 (2.9) |
| Age (years) | 59.0 ± 1 | 70.8 ± 1* | 69.5 ± 14.5** |
| Female gender n (%) | 1140 (42) | 29 (26)ŦŦ | 27 (32.1)Ŧ |
| Mean survival time (months) | 96.2 ± 62 | 29.7 ± 22* | 24 ± 19** |
| Previous time in RRT (years) | 5.2 ± 4.6 | NA | 4.8 ± 4.6 |
| Arterial hypertension n (%) | 1272 (47) | 61 (55) | 50 (60) |
| SBP > 140 mmHg predialysis n (%) | 983 (37) | 44 (40) | 34 (41) |
| Antihypertensive treatment n (%) | 1042 (38) | 53 (48) | 45 (54) |
| Hb ≥ 10 g% n (%) | 609 (22) | 8/29 (25) | 5/25 (20) |
| Coronary artery disease n (%) | 569 (22) | 35 (32) | 42 (51.5)** |
| Atrial fibrillation n (%) | 16§ | 35 (32) | 20 (35) |
| Valvular heart disease n (%) | NA | 13 (11.8) | 8 (9) |
| Diabetes n (%) | 575 (21) | 26 (23) | 23 (27.9)* |
| (a) Karnofsky 1 n (%) | 1425 (53) | 25 (22)ŦŦ | 25 (30.9)** |
| (a) Karnofsky 2 n (%) | 749 (28) | 61 (55)* | 31 (38.2)* |
| (a) Karnofsky 3 n (%) | 392 (15) | 24 (22) | 19 (23.5)* |
| (a) Karnofsky 4 n (%) | 100 (3.7) | 8 (5.4) | 6 (7.4)* |
| Previous stroke n (%) | 216 (8.3) | 24 (22)Ŧ | 29 (35.3)** |
| Smoker n (%) | 347 (13) | 18 (16) | 21 (27.3)** |
| Neoplastic disease n (%) | 202 (7) | 19 (17)ŦŦ | 22 (27.5)ŦŦ |
| Peripheral vascular disease n (%) | 417 (15) | 19 (17) | 22 (27.5)** |
| COPD n (%) | 212 (7.9) | 12 (11) | 6 (7.5) |
| Mortality n (mortality/rate 100 patient-years) | 1451 (14.9) | 66 (24.3)* | 29 (35.2)ŦŦ |
All comparisons versus the non-PM group; *P < 0.05, **P < 0.01, Ŧ P < 0.001, and ŦŦ P < 0.0001.
§Data estimated from the international dialysis outcomes and practice patterns study (DOPPS).
NA: not available.
(a) 1: Able to carry on normal activity and to work; no special care needed. 2: Normal activity with effort; some signs or symptoms of disease; unable to work; able to live at home and care for most personal needs; varying amount of assistance needed. 3: Cares for self; unable to carry on normal activity or to do active work; requires occasional assistance but is able to care for most of his personal needs. 4: Unable to care for self; requires equivalent of institutional or hospital care; disease may be progressing rapidly.