¹Post-operative complications (83); Peri-operative complications, not clear (81); Peri-operative, early post-operative (<30 days) and late postoperative (>30 days-15 months) complications (89); peri-operative complications. (79)

²Experience was variably defined as having had completed at least 50 robotic surgeries. (79)

³Learning curve was variably defined as no robotic experience (83); the initial experience during the learning curve/30 initial robotic surgeries (81); the initial learning curve. (89)

⁴Age difference shown for Ou 2009 (RB: 70, SD: 6.1 vs. RP: 67.3, SD: 6.2, p<0.05) and Ficarra 2009 (RB: 61, IQR: 57-67 vs. RP: 65, IQR: 61-69, p<0.001). Carlsson 2010, there were age (RB: 62, IQR: 35-78 vs. RP: 63, IQR: 47-77, p<0.001) and stage differences, favouring cT3 tumours in RP, p<0.001.

⁵One death in each surgical group in Carlsson 2010.