Table 3.
Log-binomial regression modeling the association between mean 7-day hemoglobin and hospital mortality
| Variable | RRunadj | RRadj | 95% CI | P value |
|---|---|---|---|---|
| Hemoglobin range | ||||
| <90 g/L | 3.7 | 3.1 | 1.5-6.3 | 0.002 |
| 90-99 g/L | - | - | - | - |
| 100-110 g/L | 1.8 | 1.5 | 0.70-3.2 | 0.29 |
| >110 g/L | 1.2 | 1.2 | 0.49-2.7 | 0.75 |
| Insertion of EVD | 2.3 | 2.7 | 1.5-5.1 | 0.001 |
| Age in years | 1.0 | 1.0 | 1.0-1.1 | <0.001 |
| Transfusion of RBCs | 2.4 | 1.4 | 0.64-2.9 | 0.42 |
| Admission GCS score | 0.81 | 0.85 | 0.74-0.99 | 0.04 |
CI, confidence interval; EVD, external ventricular drain; GCS, Glasgow Coma Scale; RBC, red blood cell; RRadj, adjusted risk ratio; RRunadj, unadjusted risk ratio.