Nursing Home Survey on Patient Safety Culture

Table 6-1. Interpretation of Percentile Scores

Percentile Score Interpretation
10th percentile
This score represents the lowest scoring nursing homes.
10% of the nursing homes scored the same or lower.
90% of the nursing homes scored higher.
25th percentile
This score represents lower scoring nursing homes.
25% of the nursing homes scored the same or lower.
75% of the nursing homes scored higher.
50th percentile (or median)
This score represents the middle of the distribution of nursing homes.
50% of the nursing homes scored the same or lower.
50% of the nursing homes scored higher.
75th percentile
This score represents higher scoring nursing homes.
75% of the nursing homes scored the same or lower.
25% of the nursing homes scored higher.
90th percentile
This score represents the highest scoring nursing homes.
90% of the nursing homes scored the same or lower.
10% of the nursing homes scored higher.

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Page last reviewed October 2014
Internet Citation: Table 6-1. Interpretation of Percentile Scores. October 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patientsafetyculture/nursing-home/2011/nhsurv11tab6-1.html