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Methods:

Between April and August 2022, a pilot study was performed in our tertiary center where surgeons in multiple surgical specialties were encouraged toward nonmanipulation for predicted OR time during scheduling. The OR time accuracy within 5 months before trial (Group 1) and within the trial period (Group 2) were compared. Accurate cases were defined as cases with total length (wheels-in to wheels-out) within±30 min or±20% of the scheduled duration if the scheduled time is≥ or< 150 min, respectively. The study included single and multiple Current Procedural Terminology code procedures, while procedures involving multiple surgical specialties (combo cases) were excluded.

Principal Findings:

The study included a total of 8,821 operations, 4,243 (Group 1) and 4,578 (Group 2),(p<. 001). The percentage of manipulation dropped from 19.8%(Group 1) to 7.6%(Group 2),(p<. 001), while scheduling …