International Journal of Surgical Oncology / 2015 / Article / Tab 3

Review Article

Gastrectomy and D2 Lymphadenectomy for Gastric Cancer: A Meta-Analysis Comparing the Harmonic Scalpel to Conventional Techniques

Table 3

Qualitative risk of bias assessment summary.

StudySequence generationAllocation concealmentBlinding of personnel and participantsBlinding of outcomesIncomplete outcome data addressedFree of selective reportingFree of other biases

Choi et al., 2014 [21]YesUnclearYesYesYesYesYes
Chen, 2012 [20]NoUnclearYesYesYesUnclearYes
Cui et al., 2012 [31]YesUnclearUnclearUnclearYesYesYes
Inoue et al., 2012 [26]UnclearUnclearUnclearUnclearYesYesUnclear
Liu et al., 2010 [29]YesUnclearYesYesUnclearYesYes
Lu et al., 2008 [24]UnclearUnclearYesYesUnclearYesYes
Tsimoyiannis et al., 2002 [28]UnclearUnclearUnclearUnclearYesYesYes
Wang et al., 2010 [30]UnclearUnclearYesYesUnclearYesYes
Wilhelm et al., 2011 [23]YesYesYesYesYesYesYes
Xu et al., 2010 [32]UnclearUnclearYesYesYesYesYes

Yes: low risk of bias; No: high risk of bias.

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