Impact of obesity on perioperative outcomes at robotic-assisted and open radical prostatectomy: results from the National Inpatient Sample.

To test the effect of obesity (body mass index [BMI] ≥30 kg/m2) on perioperative outcomes and total hospital charges (THC) at robot-assisted vs. open radical prostatectomy (RARP vs. ORP).

Within the National Inpatient Sample database (2008-2015), we identified obese vs.