Mediators of Inflammation

Review Article

Systemic Inflammatory Markers for Predicting Overall Survival in Patients with Osteosarcoma: A Systematic Review and Meta-Analysis

Table 2

Newcastle-Ottawa scale (NOS) of cohort studies.
StudyYearSelectionComparabilityOutcomeScore
Representativeness of exposed cohortSelection of the nonexposed cohortAscertainment of exposureOutcome of interest was not presentComparability of exposure and nonexposureAscertainment of outcomeFollow-up enough for outcomeAdequacy of follow-up
Funovics et al. [18]2011★★★★★★★7
Hu et al. [25]2020★★★★★★★★8
Huang et al. [12]2019★★★★★★★★8
Jettoo et al. [23]2019★★★★★★★★8
Aggerholm-Pedersen et al. [21]2016★★★★★★★7
Li et al. [13]2015★★★★★★6
Li et al. [22]2017★★★★★★★★8
Liu et al. [10]2016★★★★★★★★8
Liu et al. [20]2015★★★★★★★7
Nakamura et al. [19]2013★★★★★★★7
Xia et al. [11]2016★★★★★★★★8
Huang et al. [24]2018★★★★★★★7