OBJECTIVE • To examine the risk of 90-day re-admission among patients undergoing retropubic radical prostatectomy (RRP), laparoscopic RP (LRP), and robot-assisted laparoscopic prostatectomy (RALP) in Taiwan. PATIENTS AND METHODS • We identified 2741 hospitalised patients who underwent a RP. Of these 2741 cases, 1773 patients underwent RRP, 694 LRP, and 274 RALP. • We performed a conditional (fixedeffect) logistic regression model to explore the odds of 90-day re-admission from RP among patients undergoing RRP, LRP, and RALP. RESULTS • In all, 257 of the 2741 (9.4%) sampled subjects were re-admitted ≤ 90 days of the index RP. • Patients undergoing a RALP had a significantly lower incidence rate of 90-day re-admission than patients undergoing a RRP or LRP (3.6% vs 10.7% vs 8.2%, P <0.001). • Compared with patients undergoing a RRP, the odds ratio (OR) of 90-day re-admission for patients undergoing a RALP was only 0.35 (95% confidence interval [ CI ] 0.19-0.68) after adjusting for patient age, geographic region, year of surgery, Charlson Co-morbidity Index score, and surgeon age and the number of RP cases/year. • However, there was no significant difference in the odds of being re-admitted ≤ 90 days of RP between patients undergoing a LRP and RRP. • The adjusted odds of 90-day re-admission for patients undergoing a RALP were 0.46 (95% CI 0.23-0.94) those of patients undergoing a LRP. CONCLUSIONS • Our study shows that patients undergoing a RALP had a lower adjusted risk of 90-day re-admission than patients undergoing RRP. However, no significant differences were identified between LRP and RRP.
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