Table II.
Model 1: All Covariates | |||
---|---|---|---|
| |||
Variable | Odds Ratio | 95% Confidence Interval | p-value |
Silent Cerebral Infarct | 2.77 | 1.49-5.18 | 0.001 |
Male | 0.82 | 0.42-1.50 | 0.51 |
Age | 0.91 | 0.80-1.04 | 0.15 |
Steady state Hb† | 1.14 | 0.86-1.52 | 0.35 |
SBP# | 1.02 | 1.00-1.05 | 0.09 |
WBC (log)‡ | 1.16 | 0.57-2.36 | 0.69 |
Baseline oxygen saturation | 0.93 | 0.83-1.03 | 0.15 |
Acute chest syndrome rate* | 0.89 | 0.32-2.45 | 0.82 |
Pain event rate** | 1.03 | 0.74-1.43 | 0.87 |
| |||
Model 2: Only covariates with p<0.20 were retained from Model 1 | |||
| |||
Silent Cerebral Infarct | 2.70 | 1.46-5.00 | 0.002 |
Age | 0.92 | 0.81-1.04 | 0.19 |
Systolic blood pressure | 1.02 | 1.00-1.05 | 0.08 |
Baseline oxygen saturation | 0.93 | 0.84-1.03 | 0.18 |
| |||
Model 3: Only covariates with p<0.05 were included from Model 2 | |||
| |||
Silent Cerebral Infarct | 2.84 | 1.55-5.21 | 0.0007 |
Steady state haemoglobin (g/l)
Steady state systolic blood pressure (mm Hg).
Mean steady state white blood cell count (× 109/l)
Acute chest syndrome event requiring hospitalization (per-person year).
Pain event requiring hospitalization (per person-year).