Table 3.
Patient treatments and outcomes
| Characteristics | With VTE N = 312 |
Without VTE N = 248 |
P |
|---|---|---|---|
| Treatments | |||
| CVC, N (%) | 293 (93.9) | 230 (92.7) | 0.580 |
| Invasive mechanical ventilation, N (%) | 307 (98.4) | 244 (98.4) | 0.992 |
| Transfusion of blood component, N (%) | 175 (56.1) | 122 (49.2) | 0104 |
| RBC transfusion, N (%) | 135 (43.3) | 95 (38.3) | 0.239 |
| Platelet transfusion, N (%) | 30 (9.6) | 31 (12.5) | 0276 |
| Fresh frozen plasma transfusion, N (%) | 162 (51.9) | 105 (42.3) | 0.024 |
| TPN, N (%) | 213 (68.3) | 162 (65.3) | 0.461 |
| Pharmacologic prophylaxis, N (%) | 179 (57.4) | 176 (71.0) | 0.001 |
| Outcomes | |||
| Lowest Hb level in hospital, g/dL, IQR | 79.5 (69.0–95.0) | 82.0 (70.8–101.0) | 0.029 |
| Duration of mechanical ventilation, d, range | 1 (1–17) | 1 (1–8) | 0.015 |
| ICU length of stay, d, IQR | 4 (2–8) | 3 (1–6) | < 0.001 |
| Immobilization duration, d, IQR | 4 (2–8) | 3 (1–5) | < 0.001 |
| Immobilization ≥ 4 days, N (%) | 195 (62.5) | 89 (35.9) | < 0.001 |
| Hospital length of stay, d, IQR | 23.5 (15–36.8) | 19 (14–30) | 0.005 |
| The ICU-VTE score, IQR | 11.0 (9.0–12.0) | 9.0 (7.0–11.0) | < 0.001 |
| Low risk, 0–8 points, N (%) | 44 (14.1) | 87 (35.1) | < 0.001 |
| Intermediate risk, 9–14 points, N (%) | 251 (80.4) | 161 (64.9) | |
| High risk, 15–18 points, N (%) | 17 (5.4) | 0 | |
Data are N (% of total available data within each column), mean ± SD, or median (IQR)