Table 1Frequency of kidney stone disease visits to the ED, 2009

All ED visits related to kidney stone diseaseTreat and release ED visits related to kidney stone diseaseED visits related to kidney stone disease resulting in a hospitalization
Total number of visits1,329,2001,067,900261,300
 Principal Diagnosis950,200838,100112,100
 Not principal Diagnosis379,000229,800149,200
Average number of ED visits per day in the U.S.3,6002,900700
Rate/100,000 population males per year500400100
Rate/100,000 population females per year400300100

Source: Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project, Nationwide Emergency Department Sample, 2009

From: Emergency Department Visits and Hospital Admissions for Kidney Stone Disease, 2009

Cover of Healthcare Cost and Utilization Project (HCUP) Statistical Briefs
Healthcare Cost and Utilization Project (HCUP) Statistical Briefs [Internet].

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