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Table 2 Hemoglobin & transfusion characteristics

From: Predicting red blood cell transfusion in hospitalized patients: role of hemoglobin level, comorbidities, and illness severity

  GI Bleed N=12,388 Infection N=57,473 Malignancy N=27,831 Cardiovascular N=47,996 Ortho surgery N=24,264 All admissions N=444,969
Admission Hgb (ALL Patients)1 10.2 (2.7) 12.0 (2.1) 11.9 (2.8) 12.6 (2.1) 13.3 (1.5) 12.4 (2.2)
Admission Hgb (Transfused)1 8.6 (2.1) 9.4 (1.9) 8.7 (2.7) 9.6 (2.0) 12.3 (1.4) 9.9 (2.4)
Admission Hgb (Not Transfused)1 12.3 (1.9) 12.3 (1.8) 12.9 (1.9) 12.9 (1.8) 13.7 (1.3) 12.9 (1.8)
Hgb prior to RBC transfusion1,2 7.9 (1.5) 7.9 (1.1) 7.7 (1.8) 8.4 (1.4) 8.4 (1.1) 8.1 (1.5)
Patients transfused RBC (%) 7,099 (57) 7,320 (13) 5,884 (21) 3,869 (8) 6,785 (28) 61,988 (14)
Mean # of RBC ± SD 3.6 ± 3.0 2.7 ± 2.5 3.3 ± 2.7 2.6 ± 2.4 2.0 ± 1.2 2.9 ± 2.7
Time to transfusion, hours median3 2 26 6 22 43 23
  1. Footnotes
  2. 1Hemoglobin (Hgb) value in g/dL (Standard Deviation). Admission hemoglobin was available in 410,126 hospitalizations (92.0%).
  3. 2Median time from pre-transfusion hemoglobin to RBC transfusion was 7 hours, IQR 3.5, 11.4 hours.
  4. 3Median time in hours from hospital admission to the first RBC transfusion.