Review Article
CD147 as a Novel Prognostic Biomarker for Hepatocellular Carcinoma: A Meta-Analysis
Table 2
NOS score of included studies.
| Column | Entries | First author | Li, 2005 | Zhang, 2006 | Zhang, 2007 | Wan, 2012 | Li, 2010 | Luo, 2011 | Zhan, 2014 | Zhu, 2015 |
| Section | Is the definition adequate | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | Representativeness of the cases | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | Selection of controls | ☆ | | | | ☆ | ☆ | | | Definition of controls | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ |
| Comparability | Comparability of cases and controls on the basis of the design and analysis | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | Ascertainment of exposure | ☆ | ☆ | ☆ | ☆ | | | | ☆ |
| Exposure | Same method of ascertainment for cases and controls | ☆ | ☆ | ☆ | ☆ | | | ☆ | ☆ | Nonresponse rate | | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ |
| Total scores | | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 |
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