Table 4.
Postoperative data
| Baseline characters | LHBL (n = 1208) | HHBL (n = 236) | p-value |
|---|---|---|---|
| HBL (mL) | 419.1 (259.6, 600.8) | 964.4 (856.1, 1146.4) | < 0.001b |
| HBL/PBV (%) | 10.5 (6.4, 14.8) | 23.7 (21.5, 26.7) | < 0.001b |
| Postoperative anticoagulant (n, %) | 0.115a | ||
| Unprescribed | 61 (5.0) | 12 (5.1) | |
| Aspirin | 230 (19.0) | 253 (19.7) | |
| Nadroparin calcium | 623 (51.6) | 131 (55.5) | |
| Fondaparinux sodium | 128 (10.6) | 17 (7.2) | |
| Rivaroxaban | 37 (3.1) | 2 (0.8) | |
| Dalteparin sodium | 36 (12.9) | 157 (10.3) | |
| Postoperative EPO (n, %) | 277 (22.9) | 66 (28.0) | 0.096 a |
| Postoperative transfusion (n, %) | 15 (1.2) | 14 (5.9) | < 0.001a |
| Postoperative length of stay | 4 (3, 5) | 4 (3, 7) | < 0.001b |
| Postoperative symptomatic DVT (n, %) | 11 (0.9) | 1 (0.4) | 0.703c |
HBL hidden blood loss, PBV patient’s blood loss, EPO erythropoietin, DVT deep venous thrombosis
aPearson’s chi-square test
bMann-Whitney U-test
cFisher’s exact test