Skip to main content

Advertisement

Table 4 Study quality and bias in the retrospective cohort studies judged by the Newcastle-Ottawa Scale (NOS) checklist

From: A pair-wise meta-analysis highlights circular RNAs as potential biomarkers for colorectal cancer

Study Total star Cohort selection Comparability Outcome ascertainment
Representativeness of the Exposed Cohort Selection of the Non-Exposed Cohort Ascertainment of Exposure Demonstration that Outcome of Interest Was Not Present at Start of Study Comparability of Cases and Controls on the Basis of the Design or Analysis Assessment of Outcome Was Follow-Up Long Enough for Outcomes to Occur Adequacy of Follow Up of Cohorts
Wang F 2018 [10] 8 1 1 1 1 1 1 1 1
Hsiao KY 2017 [12] 6 1 1 1 1 1 1 0 0
Li J 2018 [14] 8 1 1 1 1 1 1 1 1
Zeng K 2018 [15] 6 1 1 1 1 1 1 0 0
Yuan Y 2018 [17] 6 1 1 1 1 1 1 0 0
Fang G 2018 [18] 6 1 1 1 1 1 1 0 0
Weng W 2017 [21] 6 1 1 1 1 1 1 0 0