The observation indexes: after hospitalization, follow-up and comparison of 3-year survival rate fron the date of hospitalization admission between the two groups.

观察指标：入院治疗后，随访比较两组病人自入院日算起3年的存活率。

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Preoperative laboratory indexes and complications, variables of intra-operation, postoperative complications and 2-year survival rate were compared between the two groups.

比较两组术前实验室指标，合并症，术中情况，术后并发症及2年生存率。

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The two-year survival for hepatitis C was also lower for African Americans, although the rate for hepatitis B was similar for this race, white Americans and Hispanics.

BBC: 'Race role in liver transplants'