This conclusion may hae been substantiated by the obseration that only 5% of the population from which full data were aailable (500,000 patients) exhibited a serum creatinine of >1.5 mg/dl.

• 这一结果被以下观察所证实，即全部资料中仅有5%25(500，000名患者)的资料可以获得，而且血清肌酐大于1.；5mg/dl。