[求助]OG11-77一个词组如何翻译？（已解答）

Even though the direct costs of malpractice disputes
    amounted to less than 1 percent of the $541 billion the nation spent on health care last year, doctors say fear of lawsuits plays a major role in health-care inflation.

请问，黑体字部分的词组如何翻译？

谢谢！

谢谢！