Characteristics of included studies regarding TKIs.

TKI, tyrosine kinase inhibitors; TC, carboplatin plus palitaxel; GP, cisplatin plus gemcitabine; DP, cisplatin plus docetaxel; DOC, docetaxel; GC, carboplatin plus gemcitabine; CT, chemotherapy (not specific); PEM, pemetrexed; AP, cisplatin plus pemetrexed.

TKI即酪氨酸激酶抑制剂（tyrosine kinase inhibitors）；TC方案为卡铂联合紫杉醇（carboplatin plus palitaxel）；GP方案为顺铂联合吉西他滨（cisplatin plus gemcitabine）；DP方案为顺铂联合多西他赛（cisplatin plus docetaxel）；DOC为多西他赛（docetaxel）；GC方案为卡铂联合吉西他滨（carboplatin plus gemcitabine）；CT指代未特指的化疗（chemotherapy (not specific)）；PEM为培美曲塞（pemetrexed）；AP方案为顺铂联合培美曲塞（cisplatin plus pemetrexed）。