1
Experience was variably defined as having had performed 400 robotic surgeries between 2000 and 2002 (109); having had completed at least 50 robotic surgeries (79); experience of more than 50 robotic surgeries. (108)
2
Learning curve was variably defined as no robotic experience (83); the initial experience (102); initial patients/mentored (100); includes the initial learning curve. (89)
3
Age difference shown for Francalanza 2008 (RB: 62, IQR: 56-68 vs. RP: 68.5, IQR: 59-71 years, p=0.009) and Ficarra 2009 (RB: 61, IQR: 57-67 vs. RP: 65, IQR: 61-69, p<0.001). For 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.
4
For Tewari 2003, the OR estimate is 0.001.