Skip to main content

Table 2 Quality assessment of randomized controlled trials

From: Comparison of efficacy between anti-vascular endothelial growth factor (VEGF) and laser treatment in Type-1 and threshold retinopathy of prematurity (ROP)

Domain

Review authors’ judgement

Option

Mintz-Hittner 2011 [13]

Moran 2014 [12]

Lepore 2014 [24]

Karkhaneh 2016 [25]

Sequence generation

Was the allocation sequence adequately generated?

Yes/Unclear/No

YES

Unclear

YES

Unclear

Allocation concealment

Was allocation adequately concealed?

Yes/Unclear/No

NO

NO

NO

NO

Blinding of participants and personnel

Was knowledge of the allocated intervention adequately prevented during the study?

Yes/Unclear/No

NO

NO

Unclear

NO

Blinding of outcome assessors

Was knowledge of the allocated intervention adequately prevented during the study?

Yes/Unclear/No

NO

NO

NO

NO

Incomplete outcome data

Were incomplete outcome data adequately addressed?

Yes/Unclear/No

YES

YES

YES

YES

Selective outcome reporting

Are reports of the study free of suggestion of selective outcome reporting?

Yes/Unclear/No

YES

YES

YES

YES

Other sources of bias

Was the study apparently free of other problems that could put it at a high risk of bias?

Yes/Unclear/No

YES

YES

YES

YES