Table 6-5. Average Distribution of Work Area/Unit Patient Safety Grades

2009 Comparative Database Report

Work Area/Unit Patient Safety Grade	No. of Hospitals & No. of Respondents	Average Percent	s.d.	Percentage of Responses
Work Area/Unit Patient Safety Grade	No. of Hospitals & No. of Respondents	Average Percent	s.d.	Min	10th Percentile	25th Percentile	50th Percentile	75th Percentile	90th Percentile	Max
A Excellent	H =621 N = 42,850	25%	9.10%	0%	14%	18%	24%	30%	36%	63%
B Very Good	H = 621 N = 83,619	48%	7.91%	6%	39%	43%	47%	52%	57%	80%
C Acceptable	H = 621 N = 43,854	23%	8.31%	0%	12%	17%	23%	28%	32%	57%
D Poor	H = 621 N = 8,769	4%	4.45%	0%	0%	2%	4%	6%	9%	62%
E Failing	H = 621 N = 1,631	1%	1.23%	0%	0%	0%	0%	1%	2%	18%

Key: H = hospitals; N = respondents.

Note: Average percent totals in the table add to more than 100 percent due to rounding.

Page last reviewed April 2009

Internet Citation: Table 6-5. Average Distribution of Work Area/Unit Patient Safety Grades: 2009 Comparative Database Report. April 2009. Agency for Healthcare Research and Quality, Rockville, MD. https://archive.ahrq.gov/professionals/quality-patient-safety/patientsafetyculture/hospital/2009/tab6-5.html