TABLE 1.
Demographic data
| Variable | All patients N = 206 271 (100%) | Had no RBC transfusion n = 180 615 (87.6%) | Had RBC transfusion n = 25 656 (12.4%) | Had transfusion but no massive transfusion n = 24 688 (12.0%) | Had massive transfusion n = 968 (0.4%) |
|---|---|---|---|---|---|
| Patients, n (%) | |||||
| Hospital 1 | 60 246 (29.2) | 53 085 (29.4) | 7161 (2.8) | 6943 (28.1) | 218 (22.5) |
| Hospital 2 | 29 832 (14.5) | 25 986 (14.4) | 3846 (1.5) | 3752 (15.2) | 94 (9.7) |
| Hospital 3 | 116 193 (56.3) | 101 544 (56.2) | 14 649 (5.7) | 13 993 (56.7) | 656 (67.8) |
| Specialty, n (%) | |||||
| General surgery | 47 471 (23.0) | 43 411 (24.0) | 4060 (15.8) | 3737 (15.1) | 323 (33.4) |
| General medicine | 37 510 (18.2) | 32 286 (17.9) | 5224 (20.4) | 5109 (20.7) | 115 (11.9) |
| Orthopedics | 29 449 (14.3) | 25 348 (14.0) | 4101 (16.0) | 4054 (16.4) | 47 (4.9) |
| Cardiology | 27 699 (13.4) | 26 159 (14.5) | 1540 (6.0) | 1445 (5.9) | 95 (9.8) |
| Other | 64 142 (31.1) | 53 411 (29.6) | 10 731 (41.8) | 10 343 (41.9) | 388 (40.1) |
| Age, y, median (range) | 65 (48‐78) | 65 (47‐78) | 70 (56‐81) | 71 (56‐81) | 60 (76‐43) |
| Sex, n (%) | |||||
| Female | 90 213 (43.7) | 78 625 (43.5) | 11 588 (45.2) | 11 317 (45.8) | 271 (28.0) |
| Male | 116 058 (56.3) | 101 990 (56.5) | 14 068 (54.8) | 13 371 (54.2) | 697 (72.0) |
| Charlson comorbidity index | 0 (0/1) | 0 (0/1) | 1 (0/3) | 1 (0/3) | 1 (0/3) |
| Length of stay, d, median (range) | 4 (3‐8) | 4 (2‐7) | 9 (2‐19) | 9 (5‐19) | 19 (9‐35) |
| Length of stay ICU, h, median (range) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 90 (24‐216) |
| Anemia at admission | |||||
| None | 120 425 | 116 193 | 4232 | 3963 | 269 |
| Mild | 39 871 | 36 066 | 3805 | 3598 | 339 |
| Severe | 7354 | 862 | 6492 | 6339 | 153 |
| Hemoglobin concentration admission, g/dL, median (range) | 12.9 (11.2‐14.3) | 13.2 (11.7‐14.5) | 9.5 (7.9‐11.5) | 9.4 (7.9‐11.5) | 10.9 (8.9‐12.9) |
| RBC transfusion, median (range) | 0 (0‐0) | 0 (0‐0) | 2 (2‐4) | 2 (2‐4) | 11 (5‐17) |
| Cryo transfusion, median (range) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 4 (0‐9) |
| FFP transfusion, median (range) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 6 (2‐10) |
| Platelet transfusion, median (range) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 0 (0‐0) | 1 (0‐3) |
| Complications | |||||
| Postprocedural | 14 353 | 9220 | 5133 | 4655 | 478 |
| Infections | 2704 | 1278 | 1426 | 1318 | 108 |
| Cardiovascular | 14 401 | 9529 | 4872 | 4507 | 365 |
| Respiratory | 7358 | 4564 | 4564 | 2556 | 238 |
| Gastrointestinal | 7815 | 7815 | 2794 | 2484 | 174 |
| Genitourinary | 7237 | 5157 | 2658 | 2374 | 191 |
| Hematological | 4350 | 866 | 3484 | 3253 | 231 |
| Mortality (%) | 2.2 | 1.6 | 6.4 | 5.9 | 18.1 |
Note: Demographic parameters of patients included.