From: Anemia and blood transfusion in a surgical intensive care unit
 | Transfusion | No transfusion | P value |
---|---|---|---|
N | 1184 | 1184 | Â |
Age, years, mean ± SD | 64.2 ± 15.1 | 64.9 ± 14.2 | 0.255 |
Gender, male (%) | 717 (60.6) | 709 (59.9) | 0.737 |
Severity scores on admission mean ± SD |  |  |  |
   SAPS II score | 41.8 ± 16.2 | 42.2 ± 17.8 | 0.370 |
   SOFA score | 7.1 ± 3.3 | 7.3 ± 3.5 | 0.259 |
Referring facility | Â | Â | 0.694 |
   Operating/recovery room | 914 (77.2) | 886 (74.8) |  |
   Emergency room | 55 (4.6) | 88 (7.4) |  |
   Other hospital | 5 (0.4) | 5 (0.4) |  |
   Other ICU | 101 (8.5) | 88 (7.4) |  |
   Others | 109 (9.2) | 117 (9.9) |  |
Comorbidities (%) | Â | Â | Â |
   Diabetes mellitus | 307 (25.9) | 327 (27.6) | 0.353 |
   Chronic renal failure | 187 (15.8) | 178 (15.0) | 0.645 |
   Cancer | 181 (15.3) | 166 (14.0) | 0.384 |
   Cirrhosis | 28 (2.4) | 27 (2.3) | 0.892 |
   COPD | 31 (2.6) | 34 (2.9) | 0.706 |
   Heart failure (NYHA III-IV) | 18 (1.5) | 17 (1.4) | 0.865 |
   Hematologic cancer | 3 (0.3) | 2 (0.2) | 0.654 |
Surgery within 24 hours (%) | Â | Â | 0.460 |
   Cardiovascular surgery | 563 (47.6) | 593 (50.1) |  |
   General surgery | 174 (14.7) | 133 (11.2) |  |
   Neurosurgery | 125 (10.6) | 141 (11.9) |  |
   Trauma | 94 (7.9) | 52 (4.4) |  |
   Thoracic surgery | 33 (2.8) | 33 (2.8) |  |
   Others | 195 (16.5) | 232 (19.6) |  |
Unplanned admissions (%) | 357 (30.2) | 337 (28.5) | 0.367 |
Hemoglobin concentration on admission to the ICU, mean ± SD | 8.4 ± 1.9 | 8.3 ± 1.7 | 0.165 |
Minimum hemoglobin concentration during ICU stay, mean ± SD | 8.4 ± 1.9 | 8.3 ± 1.7 | 0.219 |
Severity scores, mean ± SD |  |  |  |
   SOFAmean | 6.4 ± 3.0 | 6.5 ± 3.3 | 0.217 |
   SOFAmax | 7.7 ± 3.5 | 7.5 ± 3.6 | 0.537 |
ICU mortality rate (%) | 74 (6.3 ) | 87 (7.3) | 0.289 |
Hospital mortality rate (%) | 140 (11.8) | 144 (12.2) | 0.800 |
ICU LOS*, median (IQR) | 1 (0-3) | 1 (1-4) | 0.276 |
Hospital LOS, median (IQR) | 12 (9-29) | 12 (9-17) | 0.201 |