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Table 3 Results of Cochrane collaboration’s tool of assessing of bias

From: Ranibizumab for macular edema secondary to retinal vein occlusion: a meta-analysis of dose effects and comparison with no anti-VEGF treatment

Trial (year) Sequence generation Allocation concealment Blinding Adequate assessment of each outcome Selective reporting avoided No other bias
Patient Personnel Assessor
CRUISE (2010) Yes Unclear Yes Yes Yes Unclear Yes Yes
ROCC (2010) Unclear Yes Yes Yes Unclear Unclear Yes Yes
BRAVO (2011) Yes Unclear Yes Yes Yes Unclear Yes No
Tan (2014) Yes Yes Yes Yes Yes Yes Yes Yes