Review Article
Influence of Statins on the Survival Outcomes of Patients with Diffuse Large B Cell Lymphoma: A Systematic Review and Meta-Analysis
Table 2
Details of study quality evaluation.
| | Study | Representativeness of the exposed cohort | Selection of the nonexposed cohort | Ascertainment of exposure | Outcome not present at baseline | Control for age and sex | Control for other confounding factors | Assessment of outcome | Enough long follow-up duration | Adequacy of follow-up of cohorts | Total |
| | Samaras 2010 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | | Ennishi 2010 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | | Nowakowski 2010 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | | Koo 2011 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 7 | | Song 2015 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | | Smyth 2020 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 6 | | Branvall 2021 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | | Gouni 2021 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 |
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