Table 2 Unadjusted mortality rates according to quartiles of maximum age of red cells
From: Age of red blood cells and mortality in the critically ill
Quartile | Age of RBCs (days) | Mortality | |
|---|---|---|---|
| Â | Â | All patients | APACHE III scored |
1 | 7.7 (2 to 11) | 25/189 (13.2%) | 24/185 (13.0%) |
2 | 13.8 (11 to 18) | 41/189 (21.7%) | 40/175 (22.9%) |
3 | 22.6 (18 to 28) | 36/189 (19.1%) | 34/176 (19.3%) |
4 | 34.4 (28 to 42) | 44/190 (23.2%) | 43/177 (24.3%) |
2 to 4 | 22.7 (11 to 42) | 121/568 (21.3%) | 117/528 (22.1%) |