196 Chapter 7 not limited to: Age of the surgeon, Gender, right or left handedness, gaming experience and prior surgical and robot assisted surgery experience. If multiple surgeons will operate during the same surgery all will be asked to complete the above-mentioned questionnaire, changes in lead surgeon will be recorded during the surgery. Cases will be de-identified and labelled with study codes. Patient data will be recorded during regular follow-up visits by an oncology nurse or the patient’s physician. Since all outcome measures are standard data recorded for these surgeries, no additional strain will be put on the participating patients. This study was granted approval from the institutional medical committee. Data from the anaesthesiologist continuous monitoring is automatically saved in the patients’ medical file. This data will be used to identify moments in which the patient is in distress, i.e. a sudden decrease of blood pressure, a sudden increase in heart rate, a sudden decrease in oxygen saturation of the patient. These moments will be of special interest to the observers in order to observe the reaction of the team to sudden adverse events during surgery. Data will be handled strictly confidential and will be coded during the extraction of either patient characteristics or video analyses. It will be stored in a secure and encrypted database (research manager) and code lists will exclusively be stored at the hospital of consultation or treatment until video analysis results and patient characteristics have been matched. Afterwards they will be destroyed. The video and audio data will be stored for a maximum period of 6 months. Statistical Analysis Frequency statistics will be calculated for patient demographical data, and a Shapiro-Wilk test with p > 0.05 will be used to define normal distribution. Univariate analysis will be conducted to test for statistically significant differences in observation scores between Open Radical Cystectomy and Robot Assisted Radical Cystectomy cohorts across all variables, using Independent Sample T-Tests and Mann–Whitney U testing as appropriate. A variable-selection strategy will be used to create multivariate models. Binary logistic regression will be conducted to calculate odds ratios (OR)
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