Robotic total meso-rectal excision for rectal cancer: A systematic review following the publication of the ROLARR trial

Figure 1 PRISMA flow diagram.

Figure 2 Forest plot for duration of operation following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 3 Forest plot for conversion following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.

Figure 4 Forest plot for blood loss following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 5 Forest plot for duration of hospital stay following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 6 Forest plot for time to first flatus following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 7 Forest plot for post-operative complications following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.

Figure 8 Forest plot for post-operative mortality following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.

Figure 9 Forest plot for re-operation rate following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.

Figure 10 Forest plot for positive circumferential resection margins following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.

Figure 11 Forest plot for length of distal resection margin following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 12 Forest plot for lymph node yield following rectal resection by robotic surgery vs conventional laparoscopic surgery. Standardized mean difference is shown with 95%CIs.

Figure 13 Forest plot for tumour recurrence following rectal resection by robotic surgery vs conventional laparoscopic surgery. Odds ratio is shown with 95%CIs.