Table 1.
Baseline characteristics and clinical features of patients at the time of hemodialysis initiation by age category and vascular access type
| Characteristic | Entire study population (n = 2,045) | Percutaneous catheter (n = 815) | Tunneled cuffed catheter (n = 491) | Arteriovenous access (n = 739) | p value |
|---|---|---|---|---|---|
| Age, yr | 58.5 ± 14.5 | 59.0 ± 15.6 | 58.6 ± 15.3 | 59.4 ± 12.5 | 0.397 |
| Male sex | 1,206 (59.0) | 477 (58.5) | 265 (54.0) | 464 (62.9) | 0.008 |
| Body mass index, kg/m2 | 23.1 ± 6.64 | 23.4 ± 8.67 | 23.2 ± 4.43 | 22.6 ± 5.38 | 0.056 |
| Inotrope and vasopressor usea | 803 (39.3) | 395 (49.2) | 219 (27.3) | 189 (23.5) | < 0.001 |
| Hypertension | 1,587 (77.6) | 575(70.6) | 384 (78.2) | 628 (85.0) | < 0.001 |
| Diabetes | 1,034 (50.6) | 393 (48.2) | 249 (50.7) | 392 (53.0) | 0.164 |
| Heart failure | 61 (3.0) | 31 (3.8) | 13 (2.6) | 17 (2.3) | 0.194 |
| Hemoglobin, g/dL | 9.6 ± 2.35 | 9.4 ± 2.73 | 8.8 ± 1.95 | 10.2 ± 1.92 | < 0.001 |
| Albumin, g/dL | 3.3 ± 1.02 | 3.1 ± 1.27 | 3.2 ± 0.68 | 3.5 ± 0.83 | < 0.001 |
| White blood cell, 103/mm3 | 9.6 ± 5.88 | 11.1 ± 6.81 | 8.9 ± 5.39 | 8.5 ± 4.61 | < 0.001 |
| C-reactive protein, mg/dL | 4.8 ± 7.76 | 5.9 ± 8.81 | 4.1 ± 6.78 | 4.0 ± 6.89 | < 0.001 |
Values are presented as mean ± SD or number (%).
a
Use of one of following: dopamine, norepinephrine, epinephrine, dobutamin, vasopressin.