Drug resistance analysis before and after second-line treatment.

*A score >60 get from Stanford University drug resistance database was regarded as high drug resistance.Drug resistance analysis before and after second-line treatment.从斯坦福大学（Stanford University）耐药性数据库中获取的得分高于60的结果，被认定为高耐药性。本数据集针对二线治疗前后的耐药性展开分析。