Review Article
The Clinical Utility of Circulating Epstein-Barr Virus DNA Concentrations in NK/T-Cell Lymphoma: A Meta-Analysis
Table 1
Quality assessment by Newcastle–Ottawa scale.
| Study | Representativeness of the exposed cohort | Selection of the nonexposed cohort | Ascertainment of exposure | Outcome of interest was not present at start of study | Comparability of cohorts on the basis of the design or analysis | Assessment of outcome | Follow-up was long enough | Adequacy of follow-up of cohorts | Total quality score |
| Lei et al. [21] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 | Kim et al. [9] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 | Suzuki et al. [10] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Wang et al. [11] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | Y Ito 2012 (1) | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Y Ito 2012 (2) | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Kwong et al. [12] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 | Liu et al. [13] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 | Kim et al. [14] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Wang et al. [6] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 | Lim et al. [15] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 | Liang et al. [16] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 | Yang et al. [17] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Zhang et al. [23] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | Liang et al. [18] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 |
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