The Clinicopathological Significance of MicroRNA-155 in Breast Cancer: A Meta-Analysis

Table 1

Characteristics of studies included in this meta-analysis.

Reference	Year	Origin	Sample size (case/control)	Quantitative method	Language
Chen et al. [15]	2012	China	Tissue 92/92	qRT-PCR	English
Fu and Zhang [16]	2011	China	Tissue 38/38	qRT-PCR	Chinese
Hafez et al. [17]	2012	Egypt	Tissue 40/40	qRT-PCR	English
Han et al. [18]	2013	China	Serum 45/22	qRT-PCR	Chinese
Heneghan et al. [19]	2010	Ireland	Blood 83/63	qRT-PCR	English
Huang et al. [20]	2013	China	Plasma 55/30	qRT-PCR	Chinese
Iorio et al. [21]	2005	Italy	Tissue 76/6	microarray	English
Lu et al. [22]	2012	China	Tissue 67/67	qRT-PCR	English
Ouyang et al. [23]	2014	China	Tissue 3/3	microarray	English
Mar-Aguilar et al. [24]	2013	Mexico	Serum 61/10	qRT-PCR	English
Shao et al. [25]	2013	China	Serum 165/120	qRT-PCR	Chinese
Sun et al. [26]	2012	China	Serum 103/55	qRT-PCR	English
Wang et al. [27]	2010	China	Tissue 58/58	qRT-PCR	English
Wang and Zhang [28]	2011	China	Serum 20/10	qRT-PCR	Chinese
Zheng et al. [29]	2012	China	Tissue 45/45	qRT-PCR	Chinese