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. 2017 Jul 7;17(11):1–172.

Table 14:

GRADE Evidence Profile for Robot-Assisted Versus Open Radical Prostatectomy for Health-Related Quality of Life

# Studies (Design) Risk of Bias Inconsistency Indirectness Imprecision Publication Bias Upgrade Considerations Quality
1 RCT No serious limitations No serious limitations No serious limitations Serious limitations (−1)a Undetected None ⊕⊕⊕ Moderate
2 non-RCTs Serious limitations (−1)b No serious limitations No serious limitations Serious limitations (−1)a Undetected None ⊕ Very low

Abbreviations: GRADE, Grading of Recommendations Assessment, Development, and Evaluation; RCT, randomized controlled trial.

a

Not powered to detect differences.

b

Nonrandomized studies start at low GRADE. Differences in baseline patient characteristics between groups may impact recovery and thus health-related quality of life scores.