Variable | All patients | Late transfusion | No late transfusion | Late anemia | No late anemia |
---|---|---|---|---|---|
Subjects (n) | 5,170 | 887 | 4,283 | 1,034 | 4,136 |
Age, years (mean ± SD; median) | 60.5 ± 17.4; 62.5 | 60.9 ± 17.4; 62.2 | 60.4 ± 17.4; 62.6 | 60.1 ± 17.2; 61.5 | 60.6 ± 17.5; 62.8 |
Age 65 years or more (%) | 47.1 | 46.1 | 47.3 | 44.3* | 47.8 |
Race (%) | Â | Â | Â | Â | Â |
   White | 85.3 | 85.3 | 85.2 | 85.6 | 85.2 |
   Black | 8.4 | 8.3 | 8.5 | 8.8 | 8.3 |
   Others and unknown | 6.3 | 6.3 | 6.3 | 5.6 | 6.5 |
Gender (percentage females) | 43.6 | 44.5 | 43.5 | 44.6 | 43.4 |
Co-morbiditya (%) | 51.5 | 57.7c | 50.3 | 57.3c | 50.1 |
   Diabetes | 17.5 | 17.5 | 17.5 | 17.2 | 17.5 |
   Pulmonary disease | 9.8 | 12.3c | 9.3 | 10.7 | 9.6 |
   Renal disease | 0.2 | 0.8c | 0.1 | 0.4 | 0.2 |
   Liver disease | 7.3 | 14.3c | 5.9 | 13.8c | 5.7 |
   Peripheral vascular disease | 5.0 | 6.5c | 4.6 | 4.7 | 5.0 |
   Cerebrovascular disease | 1.8 | 1.8 | 1.8 | 2.1 | 1.7 |
   Myocardial infarction | 7.2 | 4.5c | 7.7 | 5.7c | 7.5 |
BMI (mean ± SD; median) | 27.7 ± 7.4; 26.5 | 27.0c ± 7.3; 25.7 | 27.9 ± 7.4; 26.6 | 27.3c ± 7.1; 25.9 | 27.9 ± 7.4; 26.6 |
Medical (%) | 41.2 | 21.1c | 45.4 | 19.2c | 46.7 |
Emergency surgery (%) | 17.4 | 15.1c | 17.9 | 17.4 | 17.4 |
Trauma case (%) | 12.0 | 13.5 | 11.7 | 14.9c | 11.2 |
Admission diagnosisb (%) | Â | Â | Â | Â | Â |
   Medical |  |  |  |  |  |
Cardiovascular | 3.9 | 3.6 | 3.9 | 3.6 | 3.9 |
Respiratory | 7.1 | 7.8 | 6.9 | 5.5c | 7.5 |
Gastrointestinal | 5.5 | 6.4 | 5.3 | 7.5c | 5.0 |
Neurologic | 7.8 | 6.5 | 8.1 | 4.8c | 8.6 |
Sepsis | 2.4 | 4.5c | 2.0 | 3.5c | 2.2 |
Nonoperative trauma | 4.9 | 6.1 | 4.6 | 5.0 | 4.9 |
Metabolic | 2.1 | 0.9c | 2.3 | 0.8c | 2.4 |
Renal | 0.3 | 0.2 | 0.3 | 0.3 | 0.3 |
Other medical | 0.9 | 0.9 | 0.8 | 0.6 | 0.9 |
   Surgical |  |  |  |  |  |
Cardiovascular | 17.8 | 8.5c | 19.8 | 13.0c | 19.1 |
Respiratory | 1.9 | 1.8 | 1.9 | 2.0 | 1.9 |
Gastrointestinal | 3.7 | 4.5 | 3.5 | 4.6 | 3.5 |
Neurologic | 3.1 | 2.6 | 3.2 | 3.5 | 3.0 |
Operative trauma | 2.7 | 4.1c | 2.4 | 5.4c | 2.0 |
Other surgical | 1.1 | 1.2 | 1.1 | 1.6 | 1.0 |
   Unknown | 34.9 | 40.4c | 33.7 | 38.2c | 34.0 |
APACHE III score (mean ± SD; median) | 48.2 ± 25.1; 44.0 | 56.4c ± 23.9; 54.0 | 46.7 ± 25.0; 42.0 | 54.9c ± 23.6; 51.0 | 46.7 ± 25.1; 42.0 |
MV at any time (%) | 30.6 | 56.0c | 25.4 | 50.4c | 25.7 |
ICU LOS, days (mean ± SD; median) | 6.3 ± 9.7; 3.0 | 17.8c ± 16.9; 14.0 | 3.9 ± 4.7; 2.0 | 15.5c ± 16.2; 11.0 | 4.0 ± 5.2; 2.0 |
Hospital LOS days (mean ± SD; median) | 15.0 ± 16.3; 9.0 | 33.8c ± 24.0; 27.0 | 11.1 ± 10.7; 8.0 | 30.0c ± 22.7; 24.0 | 11.2 ± 11.6; 8.0 |
Hospital mortality (%) | 12.9 | 20.3c | 11.4 | 13.5 | 12.7 |
Physiologic and therapeutic measures within 6 hours of ICU admission | Â | Â | Â | Â | Â |
   Hemoglobin, g/dl (mean ± SD; median) | 9.6 ± 4.7; 10.7 | 9.5 ± 3.6; 10.0 | 9.6 ± 4.9; 10.9 | 9.1c ± 3.6; 9.7 | 9.7 ± 4.9; 11.1 |
   Lactate more than 1.5 mg/dl (%) | 14.7 | 26.5c | 7.7 | 26.3c | 11.8 |
   Creatinine at least 1.6 mg/dl (%) | 15.7 | 26.0c | 13.5 | 22.7c | 13.9 |
   INR more than 1.9 (%) | 5.7 | 10.1c | 4.8 | 10.0c | 4.7 |
   Inotropes (%) | 10.6 | 17.7c | 9.1 | 17.3c | 8.9 |
   Mechanical ventilation (%) | 16.3 | 23.9c | 14.8 | 22.2c | 14.8 |
   Transfusion (%) | 8.3 | 11.2c | 7.7 | 17.2c | 6.1 |