There was a higher incidence of thromboembolic events for the transfusion threshold of 10 g/dL ( 22/101 [ 21.8 % ] vs 8/99 [ 8.1 % ] for the threshold of 7 g/dL , odds ratio , 0.32 [ 95 % CI , 0.12 to 0.79 ] , P = .009 ) .