1.

纳入研究的一般特征

The characteristics of included studies

Included studies	Country	Intervations			Cases		Outcomes	Centers
		Experimental	Control		Experimental	Control
G：吉西他滨；a：有效率；b：毒副反应发生率；c：生活质量；d：疾病进展期；e：部分应答率。 G: gecitabine; a: efficacy rate; b: toxicity; c: the quality of life; d: time progression; e: partial response rate.
Sandler 2000[12]	USA, Canada, England	G+Cisplatin	Cisplatin		260	262	a, b, c	17
Sederholm 2005[13]	Sweden	G+Carboplatin	G		164	170	a, b, c, d	17
Qing SUN 2006[14]	China	G+Cisplatin	G		22	23	b, c, e	1
ShujunLIU 2003[15]	China	G+Cisplatin	G		40	43	b, e	1