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| Blood product | Non-obese (N = 4,157) | Obese (N = 866) | P |
| Number (%) | Number (%) | ||
| Any transfusion | 1,938 (46.6) | 322 (37.2) | 0.001 |
| Red blood cells | 1,799 (43.3) | 288 (33.3) | 0.001 |
| Fresh frozen plasma | 494 (11.9) | 82 (9.5) | 0.042 |
| Platelet concentrates | 328 (7.9) | 53 (6.1) | 0.073 |
