FIGURE LEGENDS
Figure 1. The learning curve of robot-assisted laparoscopy for
recurrent cervical cancer. The X-axis indicates the number of procedures performed. The Y-axis
indicates the cumulative sum of success and failure of the surgical team
in terms of recurrence, adjusted for the probabilities from the risk
model. The RA-CUSUM+ (red) is designed to detect decrease in surgical
performance while RA-CUSUM- (blue) is designed to detect increase in the
surgical performance. Both curves move upward for surgical failure and
downward for surgical success.
Figure 2. Kaplan-Meier survival curves for patients treated
during the learning phase (blue) or the experiences phase (green). (A) Five-year disease-free survival. (B) Five-year disease-specific
survival. (C) Five-year overall survival.