To find a cutoff of hospital volume for elective partial nephrectomy (PN) for kidney cancer that can minimize the inpatient morbidity of this procedure.
Analyzing the National Inpatient sample, from 2008 to 2011, we selected 8,753 records of adult patients undergoing elective PN for nonmetastatic kidney cancer, representing an estimated 43,178 partial nephrectomies performed in the United States during this period.