Neoadjuvant chemotherapy for advanced gastric cancer: A meta-analysis

Table 2 Quality assessment of trials included in this study

Author and year of publication (citation)	Randomization	Allocation concealment	Blind	Withdrawal and dropout	Jadad score
Schuhmacher et al[18], 2009	Without details	Without details	Without details	Well reported	4
Boige et al[19], 2007	Without details	Without details	Without details	Well reported	4
Cunningham et al[20], 2006	Well reported	Envelope	Double-blind	Well reported	7
Hartgrink et al[21], 2004	Well reported	Envelope	No	Well reported	5
Nio et al[22], 2004	Inappropriate	None	No	Well reported	1
Zhang et al[23], 2004	Without details	None	No	Well reported	2
Kobayashi et al[24], 2000	Well reported	Envelope	No	Well reported	5
Wang et al[25], 2000	Without details	Without details	No	Well reported	3
Takiguchi et al[26], 2000	Without details	None	No	Well reported	2
Lygidakis et al[27], 1999	Inappropriate	Without details	No	Well reported	2
Kang et al[28], 1996	Without details	Without details	No	Well reported	3
Masuyama et al[29], 1994	Inappropriate	None	No	Well reported	1
Yonemura et al[30], 1993	Well reported	Envelope	No	Well reported	5
Nishioka et al[31], 1982	Inappropriate	None	No	Well reported	1