Empiric antibiotic therapy in FN episodes with bacteremia was highly effective if not only intrinsic and reported antimicrobial susceptibilities were considered but also the purposeful omission of coverage for coagulase-negative staphylococci and enterococci was taken into account -LSB- @ % ( @ % confidence interval : @-@ ) vs. @ % ( @ % confidence interval : @-@ @ ) , P = @ -RSB- .