Results The serious deviate results and lab of systematic error were found by intra laboratory and external quality control.
结果通过实验室内部及外部质量控制发现严重偏离的实验数据以及存在系统误差的实验室。
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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