Table 7-9.

Trending: Average Distribution of Number of Events Reported in the Past 12 Months

2009 Comparative Database Report

Number of Events Reported by RespondentsAverage Percentage of Respondents Within Hospitals
Most RecentPreviousChangeMaximum IncreaseMaximum DecreaseAverage IncreaseAverage Decrease
No events52%54%-2%24%-45%5%-9%
1 to 2 events28%26%2%28%-25%6%-5%
3 to 5 events13%12%1%32%-19%4%-4%
6 to 10 events4%5%-1%12%-13%2%-2%
11 to 20 events2%2%0%17%-8%2%-1%
21 event reports or more1%1%0%7%-6%1%-1%

Note: Based on data from 204 hospitals that repeated survey administration and data submission. The overall number of respondents was 69,541 in the most recent database and 65,321 in the previous database.

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Current as of April 2009
Internet Citation: Table 7-9.: Trending: Average Distribution of Number of Events Reported in the Past 12 Months. April 2009. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patientsafetyculture/hospital/2009/tab7-9.html