Table 2.
Baseline characteristics of all enrolled patients (left) and stratified by age (mid/right).
| Total (n = 1595) | ⩾70 years (n = 594) | <70 years (n = 1001) | p-Value* | |
|---|---|---|---|---|
| Age at placement of first CVC (years) | 62.4 ± 15.7 | 77.3 ± 5.1 | 53.6 ± 12.9 | <0.001 |
| Male sex | 936 (58.7) | 333 (56.1) | 603 (60.2) | 0.101 |
| BMI (kg/m2) | 26.3 ± 5.4 | 26.1 ± 4.9 | 26.4 ± 5.7 | 0.214 |
| Comorbidity | ||||
| Diabetes mellitus | 581 (36.4) | 242 (40.7) | 339 (33.9) | 0.006 |
| Peripheral artery disease | 209 (13.1) | 95 (16.0) | 114 (11.4) | 0.009 |
| Cerebrovascular disease | 236 (14.8) | 121 (20.4) | 115 (11.5) | <0.001 |
| Medication | ||||
| Anticoagulants | 634 (39.7) | 272 (45.8) | 362 (36.2) | <0.001 |
| Antiplatelet drugs | 506 (31.7) | 231 (38.9) | 275 (27.5) | <0.001 |
| Immunosuppression | 438 (27.5) | 119 (20.0) | 319 (31.9) | <0.001 |
| Dialysis characteristics | ||||
| Acute start | 636 (39.9) | 204 (34.3) | 432 (43.2) | 0.001 |
| Short-term † | 130 (8.2) | 61 (10.3) | 69 (6.9) | 0.018 |
CVC: central venous catheter; BMI: body mass index; SD: standard deviation.
Data presented as mean ± SD or count (%).
*
Comparison of groups ⩾70 to <70 years old.
†
Defined as less than three dialysis sessions.