Research Article

Correlation of Serum Levels of Endostatin with Tumor Stage in Gastric Cancer: A Systematic Review and Meta-Analysis

Table 1

Characteristics of included studies focused on protein expression of endostatin.

First authorYearCountrySample sizeGender (M/F)Age (years)MethodCASP
CaseControlCaseControlCaseControl

Wang [36]2011China1003068/3220/1057.2 ± 12.457.2 ± 12.4ELISA8
Masiak [10]2011Poland2010ELISA5
Yuan [38]2010China822456/2616/859 (27~84)59 (27~84)ELISA8
Yang [37]2010China603034/2628/1238~7632~68ELISA7
Liu [34]2009China603037/2317/1353.3 ± 8.238.3 ± 7.8ELISA7
Li [24]2009China525233/1933/1962 (38~75)62 (38~75)ELISA6
Ding [32]2008China502530/2062 (30~85)EIA6
Li [33]2007China363023/1319/1158.7 ± 7.958.7 ± 7.9ELISA6
Wang [35]2006China673337/3019/1448 (35~73)46 (31~69)ELISA7
Huang [23]2006China723338/3419/1448 (35~73)46 (31~69)ELISA8
Woo [22]2006Korea1072370/3715/860 (31~78)58 (34~75)ELISA8
Koç [39]2006Turkey303010/2011/1941.3 ± 16.764.3 ± 16.7EIA6

M: male; F: female; ELISA: enzyme-linked immunosorbent assay; CASP: critical appraisal skills program.