For FX CorDiax @ versus FX @ , the RR was significantly higher for blood urea nitrogen ( @ @ vs. @ @ % , p = @ ) , @-m ( @ @ vs. @ @ % , p < @ ) , myoglobin ( @ @ vs. @ @ % , p < @ ) , prolactin ( @ @ vs. @ @ % , p < @ ) and @-microglobulin ( @ @ vs. @ @ % , p = @ ) .