No prior studies have stratified the difficulty of laparoscopic appendectomy (LA). The investigators aimed to investigate preoperative factors as indicators of difficult LAs based on the experience of surgical trainees and to develop a predictive model accordingly.
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Operative time
Timeframe: During surgery
Number of participants with postoperative complications
Timeframe: through study completion, an average of 1 year
Hospitalization
Timeframe: 1 day of discharge
Degree of pain
Timeframe: approximately 4 hours after surgery and on postoperative day 1