Table 2.
Characteristics of NOM and failure of NOM and transfusions
| Characteristic | Group; no. (%)* | p value | ||
|---|---|---|---|---|
| Total, n = 162 | Early, n = 78 | Late, n = 84 | ||
| No intervention | 145 (90) | 73 (94) | 72 (86) | 0.13 |
| Urgent embolization | 17 (10) | 5 (6) | 12 (14) | 0.13 |
| Elective embolization | 23 (14) | 6 (8) | 17 (20) | 0.03 |
| After LMWH | 8 (35) | 6 (100) | 2 (12) | 0.003 |
| Failure of NOM | 3 (4) | 2 (3) | 1 (1) | 0.60 |
| After LMWH | 0 | 0 | 0 | — |
| Transfusion | 51 (32) | 26 (33) | 25 (30) | 0.74 |
| pRBC < 24 h, median (IQR)† | 2 (0–4) | 2 (0–6) | 2 (0.5–3.5) | 0.56 |
| Total pRBC, median (IQR)† | 3 (2–6) | 4.5 (2–8.25) | 2 (2–4) | 0.08 |
| After LMWH | 21 (13) | 16 (21) | 5 (5) | 0.005 |
| LOS, median (IQR) | 5 (3–8) | 7 (4–9) | 4 (3–7) | 0.001 |
| SCU, median (IQR) | 3 (1–5) | 3 (1–6) | 3 (2–4) | 0.07 |
| VTE | 0.10 | |||
| PE, no. | 2 | 2 | 0 | 0.20 |
| DVT, no. | 1 | 1 | 0 | 0.48 |
DVT = deep vein thrombosis; IQR = interquartile range; LMWH = low–molecular weight heparin; LOS = length of stay; NOM = nonoperative management; pRBC = packed red blood cells; SCU = special care unit; VTE = venous thromboembolism; PE = pulmonary embolism.
*
Unless indicated otherwise.
†
Median number of blood products in patients who received a transfusion.