Clinical setting | Predictors remaining in final model | Estimate (β) | Pvalue |
---|---|---|---|
WFNS grade 4 | Â | Â | Â |
   (lowest acceptable Hb) | Specialty (neurosurgery) | 0.37 | <0.0001 |
 | Years in practice | 0.01 | 0.009 |
WFNS grade 4 | Â | Â | Â |
   (highest acceptable Hb) | Specialty (neurosurgery)b Years in practicec,d | 0.03 | 0.01 |
DCI | Â | Â | Â |
   (lowest acceptable Hb) | Years in practice | 0.02 | 0.01 |
DCI | Â | Â | Â |
   (highest acceptable Hb) | Transfusion protocol | -0.35 | 0.003 |
 | Years in practice | 0.02 | 0.007 |
 | Transfusion protocolb Specialty (neurosurgery)b | 0.66 | 0.002 |