研究人员利用从2003- 2006年的全国健康和营养调查的数据，由美国疾病控制和预防中心进行。
The researchers used data from the 2003-2006 National Health and Nutrition Examination Survey, conducted by the Centers for Disease Control and Prevention.
约翰·霍普金斯研究小组发现NAFLD不增加死亡率，其中大约20%是全国健康和营养调查的研究参与者。
The Johns Hopkins team found no increase in mortality among those with NAFLD, which was identified in approximately 20 percent of the NHANES participants.
卡尔森和他的团队侧重于从1999- 2002年进行的全国健康和营养调查收集数据，这是横断面研究的一部分。
As part of the cross-sectional study, Carlson and his team focused on data collected as part of the National Health and Nutrition Examination Survey done from 1999-2002.
他们从一个含有1971年至1975年的参与者的全国健康调查(即NHANES I，第一次全国健康和营养检查调查)和几年后随访调查中找寻数据。
They did this by examining data from a national health survey that examined participants between 1971 and 1975, known as NHANES I, and from a follow-up survey years later.
他们从一个含有1971年至1975年的参与者的全国健康调查(即NHANES I，第一次全国健康和营养检查调查)和几年后随访调查中找寻数据。
They did this by examining data from a national health survey that examined participants between 1971 and 1975, known as NHANES I, and from a follow-up survey years later.
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