达芬奇机器人手术系统与腹腔镜手术在直肠癌TME中疗效的Meta分析

图1 纳入研究的偏倚风险评价. 1: Random sequence generation (selection bias); 2: Allocation concealment (selection bias); 3: Blinding of participants and personnel (performance bias); 4: Blinding of outcome assessment (detection bias); 5: Incomplete outcome data (attrition bias); 6: Selective reporting (reporting bias); 7: Other bias.