Clinical effect of operative vs nonoperative treatment on humeral shaft fractures: Systematic review and meta-analysis of clinical trials

Figure 1  The preferred reporting items for systematic reviews and meta-analyses flow diagram of screening process.

Figure 2  The risk of bias in the 4 randomized control trials assessed with the Cochrane risk bias tool.

Figure 3 The comparison between the two groups. A: The nonunion comparison between the two groups; B: The new radial nerve palsy comparison between the two groups; C: The secondary surgical intervention between the two groups; D: The overall complication rate between the two groups; E: The Disabilities of Arm, Shoulder and Hand score recovery between the two groups at 3, 6 and 12 months; F: The visual analogue scale score between the two groups at 2, 6 months; G: The Constant-Murley score between the two groups at 2, 6 months. DASH score: Disabilities of Arm, Shoulder and Hand score; VAS: Visual analogue scale.

Figure 4 Funnel plot of nonunion and overall complications. A: Funnel plot of nonunion; B: Funnel plot of overall complications. OR: Odds ratio.