Table 3 Characteristics of intermittent dialysis circuits for COVID-19 patients and controls
From: Dialysis circuit clotting in critically ill patients with COVID-19 infection
COVID-19 (n = 32) | Control (n = 18) | p-value | |
|---|---|---|---|
Number of dialysis circuits clotted, n (%) | 12 (38) | 6 (33) | 0.77 |
Modality, n (%) | |||
- SLED | 13 (41) | 10 (56) | 0.57 |
- IHD | 16 (50) | 6 (33) | |
- Othersa | 3 (9) | 2 (11) | |
Systemic anticoagulation, n (%) | 6 (19) | 0 (0) | 0.08 |
Systemic anticoagulation and/or anticoagulation (heparin) during dialysis, n (%) | 11 (34) | 4 (22) | 0.52 |
Vascular access, n (%) | |||
- Non-tunneled catheter | 19 (59) | 7 (39) | 0.01 |
- Tunneled catheter | 0 (0) | 5 (28) | |
- Arteriovenous fistula | 13 (41) | 6 (33) | |
Blood flow rate, ml/min | 206 ± 49 | 174 ± 42 | 0.02 |
Dialysate flow rate, ml/min | 372 ± 155 | 322 ± 148 | 0.27 |
Hematocrit, % | 25.8 ± 3.7 | 27.9 ± 5.3 | 0.11 |
Platelet, ×109/L | 406 ± 105 | 207 ± 89 | < 0.001 |
INR | 1.1 (1, 1.2) | 1.2 (1, 1.4) | 0.53 |
aPTT, seconds | 37.9 (18.6, 57.2) | 36.6 (24.8, 48.4) | 0.12 |