Characteristic | All (n= 241) | RBCs (n= 117) | No RBCs (n= 124) | P value |
---|---|---|---|---|
Age in years, mean (SD) | 66.4 (15.2) | 68.8 (13.3) | 64.1 (16.5) | 0.02 |
Females, number (percentage) | 93 (38.6) | 55 (47.0) | 38 (30.7) | 0.009 |
APACHE II score, mean (SD) | 25.5 (8.4) | 26.8 (8.3) | 24.2 (8.3) | 0.02 |
Multiple organ dysfunction score, mean (SD) | 6.3 (3.9) | 7.6 (3.8) | 5.1 (3.6) | < 0.001 |
Height in centimeters, mean (SD) | 168.7 (10.7) | 166.7 (11.4) | 170.5 (9.7) | 0.007 |
Weight in kilograms, mean (SD) | 76.5 (19.6) | 75.4 (19.3) | 77.7 (19.9) | 0.37 |
Body mass index in kg/m2, mean (SD) | 27.1 (7.2) | 27.4 (7.9) | 26.8 (6.4) | 0.53 |
Medical admission, number (percentage) | 183 (75.9) | 75 (64.1) | 108 (87.1) | < 0.001 |
Primary admission diagnosis category, number (percentage) | ||||
Pulmonary | 89 (36.9) | 31 (26.5) | 58 (46.8) | < 0.001 |
Cardiovascular | 62 (25.7) | 37 (31.6) | 25 (20.2) | |
Gastrointestinal | 37 (15.4) | 24 (20.5) | 13 (10.5) | |
Renal | 17 (7.1) | 12 (10.3) | 5 (4.0) | |
Neurological | 16 (6.6) | 2 (1.7) | 14 (11.3) | |
Sepsis | 12 (5.0) | 7 (6.0) | 5 (4.0) | |
Othera | 8 (3.3) | 4 (3.4) | 4 (3.2) | |
Location prior to admission, number (percentage) | ||||
Ward | 106 (44.0) | 53 (45.3) | 53 (42.7) | 0.002 |
Emergency room | 60 (24.9) | 18 (15,4) | 42 (33.9) | |
Operating room | 36 (14.9) | 25 (21.4) | 11 (8.9) | |
Other hospital ICU | 39 (16.2) | 21 (18.0) | 18 (14.5) | |
Central venous catheter, number (percentage) | 206 (85.5) | 110 (94.0) | 96 (77.4) | < 0.001 |
Mechanical ventilation, number (percentage) | 218 (90.5) | 110 (94.0) | 108 (87.1) | 0.07 |
Days of mechanical ventilation, median (IQR) | 7 (3, 15) | 12 (6, 23) | 4 (2, 9) | < 0.001 |
Days in ICU, median (IQR) | 10 (6, 20) | 16 (8, 26) | 8 (5, 13) | < 0.001 |
ICU mortality, number (percentage) | 66 (27.4) | 40 (34.2) | 26 (21.0) | 0.02 |
Days in hospital, median (IQR) | 25 (13, 54) | 30 (15, 64.5) | 19 (11, 41) | 0.002 |
Hospital mortality, number (percentage) | 94 (39.0) | 55 (47.0) | 39 (31.5) | 0.01 |