Disease Markers / 2015 / Article / Tab 1

Research Article

Prognostic Value of High CXCR4 Expression in Renal Cell Carcinoma: A System Review and Meta-Analysis

Table 1

Main characteristics and NOS score of each study included in meta-analysis.

First authorYearCountryStudy periodMedian follow-up (year)NOS score

An [2]2014China1999–2006TS: 5.2 (0.6–9.7)
VS: 5.7 (0.7–9.8)
Li [20]2013France1999–20056.6 (1.0–15.3)8
D’Alterio [19]2012Italy2005–20092.48
Wang [21]2012China2002-2003NA7
Li [11]2011China2001–20054.3 (0.2–8.3)8
D’Alterio [17, 18]2010Italy1999–20075.87
D’Alterio [17, 18]2010ItalyNA5.38

TS: training set, VS: validation set, and NA: not available.

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