Research Article

The Safety and Efficacy of Endoscopic Combined Intrarenal Surgery (ECIRS) versus Percutaneous Nephrolithotomy (PCNL): A Systematic Review and Meta-Analysis

Figure 3

Risk of bias judgements (complications). Cochrane’s RoB tool [15] for randomized studies (a) and ROBINS-I tool [22] (b). Categories for Cochrane’s RoB are “low risk,” “unclear risk,” and “high risk.” Green circle = low risk; yellow circle = unclear or equivocal risk; red circle = high risk. Categories for ROBINS-I are “low risk,” “moderate risk,” “serious risk,” “critical risk,” and “no information.” Green circle = low risk; yellow circle = moderate risk; red circle = serious risk; pink circle = critical risk; blue circle = no information.
(a)
(b)