Systematic review and meta-analysis of acupuncture for postoperative gastrointestinal dysfunction after colorectal cancer surgery

Figure 2 Risk of bias assessment. A: Traffic light plot summarizing the risk of bias for each domain across individual studies; B: Bar plot showing the proportion of studies with low risk, some concerns, or high risk for each domain. RoB 2.0: Revised Cochrane risk-of-bias tool for randomized trials; D1: Randomization process; D2: Deviations from intended interventions; D3: Missing outcome data; D4: Measurement of the outcome; D5: Selection of the reported result.