Table 2:
Demographics, clinical data and baseline biochemical parameters of patients at baseline.
| Total | APD | RM-APD | ||||
|---|---|---|---|---|---|---|
| n | N = 801 | N = 398 | N = 403 | P-value | ICC | |
| Age (years) | 801 | 50.5 (15.4) | 51.5 (15.1) | 49.5 (15.7) | .062 | 0.137 |
| Sex, men, n (%) | 801 | 522 (65.2) | 262 (65.8) | 260 (64.5) | .71 | 0.016 |
| Weight (kg) | 801 | 69.0 (13.7) | 69.0 (14.0) | 68.9 (13.3) | .96 | 0.008 |
| Height (cm) | 801 | 163 (8.9) | 163(9.0) | 163 (8.8) | .76 | 0.02 |
| Blood pressure systolic (mmHg) | 801 | 132 (18.3) | 133 (17.5) | 131(19.0) | .14 | 0.076 |
| Blood pressure diastolic (mmHg) | 801 | 79.9 (12.1) | 80.2 (11.5) | 79.7 (12.6) | .52 | 0.029 |
| Urine volume/24 h (mL) | 210 | 897 (461) | 840 (354) | 947 (535) | .095 | 0.693 |
| Underlying kidney disease, n (%) | ||||||
| Obstructive uropathy | 801 | 6 (0.7) | 2 (0.5) | 4 (1.0) | .69 | 0.044 |
| PCKD | 801 | 8 (1.0) | 4 (1.0) | 4 (1.0) | 1.00 | 0.019 |
| Diabetic nephropathy | 801 | 455 (56.8) | 223 (56.0) | 232 (57.6) | .67 | 0.123 |
| Hypertension | 801 | 229 (28.6) | 133 (33.4) | 96 (23.8) | .003 | 0.241 |
| Unknown | 801 | 137 (17.1) | 70 (17.6) | 67 (16.6) | .78 | 0.293 |
| Cardiovascular disease, n (%) | ||||||
| Chronic heart disease | 801 | 5 (0.6) | 4 (1.0) | 1 (0.2) | .21 | 0.0003 |
| Ischemic cardiopathy | 801 | 12 (1.5) | 7 (1.8) | 5 (1.2) | .58 | 0.003 |
| AMI | 801 | 6 (0.7) | 4 (1.0) | 2 (0.5) | .45 | 0.0003 |
| Arrhythmia | 801 | 3 (0.4) | 2 (0.5) | 1 (0.2) | .62 | 0.0001 |
| Pericarditis | 801 | 2 (0.2) | 2 (0.5) | 0 (0.0) | .25 | 0.765 |
| Stroke | 801 | 8 (1.0) | 6 (1.5) | 2 (0.5) | .18 | 0.029 |
| Peripheral vascular | 801 | 10 (1.2) | 10 (2.5) | 0 (0.0) | <.001 | 0.709 |
| Hypertension | 801 | 598 (74.7) | 320 (80.4) | 278 (69.0) | <.001 | 0.241 |
| Blood biochemistry | ||||||
| Serum albumin, g/dL | 801 | 3.3 (0.6) | 3.3 (0.6) | 3.3 (0.6) | .29 | 0.078 |
| Serum Na, mmol/L | 636 | 136.7 (5.0) | 136.7 (4.4) | 136.7 (5.6) | .97 | 0.024 |
| Hb, g/L | 760 | 10.2 (2.1) | 10.0 (2.0) | 10.4 (2.2) | .008 | 0.038 |
| Creatinine, mg/dL | 801 | 9.5 (3.9) | 9.7 (4.1) | 9.3 (3.6) | .18 | 0.026 |
| Ca, mg/dL | 801 | 8.4 (0.8) | 8.3 (0.8) | 8.5 (0.8) | <.001 | 0.027 |
| Phos, mg/dL | 801 | 5.2 (1.5) | 5.1 (1.5) | 5.2 (1.4) | .42 | 0.095 |
| Ca × Phos product | 801 | 43.1 (12.4) | 42.1 (11.9) | 44.2 (12.8) | .018 | 0.029 |
Continuous variables are presented as mean (standard deviation). Categorical variables are presented as number (percentage). ICC is adjusted for groups and centers variable.
ICC, Intraclass Correlation Coefficient; PCKD, polycystic kidney disease; AMI, acute myocardial infarction; Na, sodium; Hb, hemoglobin; Ca, calcium; Phos, phosphorus.