Transfusion was associated with an increase in all-cause mortality among patients with < @ % and @ % -@ % predicted risk of death ( odds ratio -LSB- OR -RSB- @ , @ % CI @-@ @ , p < @ , and OR @ , @ % CI @-@ @ , p < @ , respectively ) , but with a decrease in all-cause mortality in patients with > @ % predicted risk of death ( OR @ , @ % CI @-@ @ , p < @ ) .