Table 6-6.

Average Distribution of Number of Events Reported in the Past 12 Months—2009 Database Comparative Results

2009 Comparative Database Report

Number of Events Reported by Respondents	No. Hospitals & No. Respondents	Average Percent	s.d.	Percentage of Responses
Number of Events Reported by Respondents	No. Hospitals & No. Respondents	Average Percent	s.d.	Min	10th Percentile	25th Percentile	50th Percentile	75th Percentile	90th Percentile	Max
No events	H = 621 N = 97,624	52%	10.99%	5%	39%	46%	53%	59%	65%	96%
1 to 2 events	H = 621 N = 48,996	28%	6.67%	4%	21%	24%	27%	31%	36%	63%
3 to 5 events	H = 621 N = 21,330	13%	5.19%	0%	7%	9%	12%	15%	20%	41%
6 to 10 events	H = 621 N = 7,321	4%	2.96	0%	2%	3%	4%	6%	8%	27%
11 to 20 events	H = 621 N = 2,744	2%	1.88%	0%	0%	1%	1%	2%	4%	17%
21 event reports or more	H = 621 N = 1,807	1%	1.34%	0%	0%	0%	1%	1%	3%	15%

Key: H = hospitals; N = respondents.

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Page last reviewed April 2009

Internet Citation: Table 6-6. : Average Distribution of Number of Events Reported in the Past 12 Months—2009 Database Comparative Results. April 2009. Agency for Healthcare Research and Quality, Rockville, MD. https://archive.ahrq.gov/professionals/quality-patient-safety/patientsafetyculture/hospital/2009/tab6-6.html