Daniel B Joh1, Bert van der Werf2, Bridget J Watson3, Rowan French4, Simon Bann5, Elizabeth Dennet5,6, Benjamin P T Loveday1,7. 1. Department of Surgery, The University of Auckland, Auckland, New Zealand. 2. Department of Epidemiology and Biostatistics, The University of Auckland, Auckland, New Zealand. 3. Department of Surgery, Auckland District Health Board, Auckland, New Zealand. 4. Department of Surgery, Waikato District Health Board, Hamilton, New Zealand. 5. Department of Surgery, Capital and Coast District Health Board, Wellington, New Zealand. 6. Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand. 7. Department of Surgery, Royal Melbourne Hospital, Victoria, Australia.
Abstract
Importance: The need for trainee sex equality within surgical training has resulted in an appraisal of the training experience in the New Zealand general surgery training program. Objective: To investigate the association between trainee sex and surgical autonomy in the operating room in the New Zealand general surgery training program. Design, Setting, and Participants: Retrospective cohort study conducted from December 10, 2012, to December 10, 2017, examining all endoscopic, major, and minor procedures performed by all New Zealand general surgery trainees in every training hospital in New Zealand. Main Outcomes and Measures: The primary outcome was the level of meaningful autonomy by each New Zealand general surgery trainee (ie, trainee as primary operator without the surgeon mentor scrubbed for the case). Outcomes were compared using multivariable analysis. Results: This study included 120 New Zealand general surgery trainees (42 women [35%] and 78 men [65%]) who were analyzed over 279.5 trainee-years (88.5 trainee-years for women and 191.0 trainee-years for men). Included were 119 380 general surgery procedures (17 465 endoscopic, 56 964 major, and 44 951 minor) in 18 hospitals. By the end of the 5-year training program, female trainees had a lower cumulative mean autonomous caseload than male trainees for endoscopic (284.0 [95% CI, 207.0-361.0] vs 352.2 [95% CI, 282.9-421.6], P = .03), major (139.9 [95% CI, 76.7-203.2] vs 198.1 [95% CI, 142.3-254.0], P = .02), and minor (456.3 [95% CI, 394.8-517.9] vs 519.9 [95% CI, 465.6-574.2], P = .007) procedures. Conclusions and Relevance: After accounting for differences among trainees, hospital type, number of female and male surgeon mentors at each hospital, and trainee seniority, female trainees performed fewer cases with meaningful autonomy compared with male trainees. These findings support the need for pragmatic solutions to address this bias and further investigations on mechanisms contributing to discrepancies.
Importance: The need for trainee sex equality within surgical training has resulted in an appraisal of the training experience in the New Zealand general surgery training program. Objective: To investigate the association between trainee sex and surgical autonomy in the operating room in the New Zealand general surgery training program. Design, Setting, and Participants: Retrospective cohort study conducted from December 10, 2012, to December 10, 2017, examining all endoscopic, major, and minor procedures performed by all New Zealand general surgery trainees in every training hospital in New Zealand. Main Outcomes and Measures: The primary outcome was the level of meaningful autonomy by each New Zealand general surgery trainee (ie, trainee as primary operator without the surgeon mentor scrubbed for the case). Outcomes were compared using multivariable analysis. Results: This study included 120 New Zealand general surgery trainees (42 women [35%] and 78 men [65%]) who were analyzed over 279.5 trainee-years (88.5 trainee-years for women and 191.0 trainee-years for men). Included were 119 380 general surgery procedures (17 465 endoscopic, 56 964 major, and 44 951 minor) in 18 hospitals. By the end of the 5-year training program, female trainees had a lower cumulative mean autonomous caseload than male trainees for endoscopic (284.0 [95% CI, 207.0-361.0] vs 352.2 [95% CI, 282.9-421.6], P = .03), major (139.9 [95% CI, 76.7-203.2] vs 198.1 [95% CI, 142.3-254.0], P = .02), and minor (456.3 [95% CI, 394.8-517.9] vs 519.9 [95% CI, 465.6-574.2], P = .007) procedures. Conclusions and Relevance: After accounting for differences among trainees, hospital type, number of female and male surgeon mentors at each hospital, and trainee seniority, female trainees performed fewer cases with meaningful autonomy compared with male trainees. These findings support the need for pragmatic solutions to address this bias and further investigations on mechanisms contributing to discrepancies.
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