2011 User Comparative Database Report

Notes Table 1. Example of Computing Item and Composite Percent Positive Scores

Items Measuring Overall Perceptions of Patient Safety	For Positively Worded Items, Number of "Strongly Agree" or "Agree" Responses	For Negatively Worded Items, Number of "Strongly Disagree" or "Disagree" Responses	Total Number of Responses to the Item	Percent Positive Response on Item
Item A15-positively worded
"Patient safety is never sacrificed to get more work done"	120	NA*	260	120/260=46%
Item A18-positively worded
"Our procedures and systems are good at preventing errors from happening"	130	NA*	250	130/250=52%
Item A10-negatively worded
"It is just by chance that more serious mistakes don't happen around here"	NA*	110	240	110/240=46%
Item A17-negatively worded
"We have patient safety problems in this unit"	NA*	140	250	140/250=56%
Composite Score % Positive = (46% + 52% + 46% + 56%) / 4 = 50%

* NA = Not applicable

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Page last reviewed October 2014
Page originally created April 2011

Internet Citation: Notes Table 1. Example of Computing Item and Composite Percent Positive Scores. Content last reviewed October 2014. Agency for Healthcare Research and Quality, Rockville, MD. https://archive.ahrq.gov/professionals/quality-patient-safety/patientsafetyculture/hospital/2011/hosp11notestab1.html