Figures & data
Table 1 Characteristics of included studies
Table 2 Risk of bias of included randomized controlled trials based on Cochrane Handbook for Systematic Reviews of Interventions
Table 3 Risk of bias for included non-randomized studies based on Newcastle-Ottawa scale
Figure 2 Forest plot and meta-analysis of total complication events.
Abbreviation: M-H, Mantel-Haenszel method.
![Figure 2 Forest plot and meta-analysis of total complication events.Abbreviation: M-H, Mantel-Haenszel method.](/cms/asset/34e6fac3-1176-4647-bb84-57ccd9fbebc2/dcmr_a_12186542_f0002_b.jpg)
Figure 3 Forest plot and meta-analysis of primary outcomes.
Abbreviation: M-H, Mantel-Haenszel method.
![Figure 3 Forest plot and meta-analysis of primary outcomes.Abbreviation: M-H, Mantel-Haenszel method.](/cms/asset/ad5e8d72-f0bb-4c07-a9a6-c9bd1c4125e9/dcmr_a_12186542_f0003_b.jpg)
Figure 4 Forest plot and meta-analysis of secondary outcomes. (A) Comparison of procedure conversion rate and early port removal. (B) Comparison of operating time between groups.
Abbreviations: M-H, Mantel-Haenszel method; IV, inverse variance method.
![Figure 4 Forest plot and meta-analysis of secondary outcomes. (A) Comparison of procedure conversion rate and early port removal. (B) Comparison of operating time between groups.Abbreviations: M-H, Mantel-Haenszel method; IV, inverse variance method.](/cms/asset/351496ef-24d7-4486-b217-73fc07c04575/dcmr_a_12186542_f0004_b.jpg)
Table 4 Subgroup analysis comparing chest ports and arm ports
Table 5 Sensitivity analysis comparing chest ports and arm ports
Figure 5 Funnel plot demonstrating meta-analysis of primary outcomes of interest.
Abbreviation: SE, standard error.
![Figure 5 Funnel plot demonstrating meta-analysis of primary outcomes of interest.Abbreviation: SE, standard error.](/cms/asset/d4ab1307-8495-4640-9f11-748caeae2237/dcmr_a_12186542_f0005_c.jpg)