How accurate is the AHRQ patient safety indicator for hospital-acquired pressure ulcer in a national sample of records?

Patricia A. Zrelak, Garth H Utter, Daniel J Tancredi, Lindsay Grogean Mayer, Julie Cerese, Joanne Cuny, Patrick S Romano

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In 2008, we conducted a retrospective cross-sectional study to determine the test characteristics of the Agency for Healthcare Research and Quality patient safety indicator (PSI) for hospital-acquired pressure ulcer (PU). We sampled 1,995 inpatient records that met PSI 3 criteria and 4,007 records assigned to 14 DRGs with the highest empirical rates of PSI 3, which did not meet PSI 3 criteria, from 32 U.S. academic hospitals. We estimated the positive predictive value (PPV), sensitivity, and specificity of PSI 3 using both the software version contemporary to the hospitalizations (v3.1) and an approximation of the current version (v4.4). Of records that met PSI 3 version 3.1 criteria, 572 (PPV 28.3%; 95% CI 23.6-32.9%) were true positive. PU that was present on admission (POA) accounted for 76% of the false-positive records. Estimated sensitivity was 48.2% (95% CI 41.0-55.3%) and specificity 71.4% (95% CI 68.3-74.5%). Reclassifying records based on reported POA information and PU stage to approximate version 4.4 of PSI 3 improved sensitivity (78.6%; 95% CI 62.7-94.5%) and specificity (98.0; 95% CI 97.1-98.9%). In conclusion, accounting for POA information and PU staging to approximate newer versions of the PSI software (v4.3) moderately improves validity.

Original languageEnglish (US)
Pages (from-to)287-297
Number of pages11
JournalJournal for healthcare quality : official publication of the National Association for Healthcare Quality
Volume37
Issue number5
DOIs
StatePublished - Sep 1 2015

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Pressure Ulcer
Patient Safety
Software
Diagnosis-Related Groups
Health Services Research
Inpatients
Hospitalization
Cross-Sectional Studies
Sensitivity and Specificity

Keywords

  • Academic medical center/teaching hospital
  • AHRQ
  • Hospital-acquired condition
  • Nursing
  • Patient safety
  • Pressure ulcer
  • Quality measures
  • Sentinel/serious/never events

ASJC Scopus subject areas

  • Health Policy
  • Public Health, Environmental and Occupational Health

Cite this

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title = "How accurate is the AHRQ patient safety indicator for hospital-acquired pressure ulcer in a national sample of records?",
abstract = "In 2008, we conducted a retrospective cross-sectional study to determine the test characteristics of the Agency for Healthcare Research and Quality patient safety indicator (PSI) for hospital-acquired pressure ulcer (PU). We sampled 1,995 inpatient records that met PSI 3 criteria and 4,007 records assigned to 14 DRGs with the highest empirical rates of PSI 3, which did not meet PSI 3 criteria, from 32 U.S. academic hospitals. We estimated the positive predictive value (PPV), sensitivity, and specificity of PSI 3 using both the software version contemporary to the hospitalizations (v3.1) and an approximation of the current version (v4.4). Of records that met PSI 3 version 3.1 criteria, 572 (PPV 28.3{\%}; 95{\%} CI 23.6-32.9{\%}) were true positive. PU that was present on admission (POA) accounted for 76{\%} of the false-positive records. Estimated sensitivity was 48.2{\%} (95{\%} CI 41.0-55.3{\%}) and specificity 71.4{\%} (95{\%} CI 68.3-74.5{\%}). Reclassifying records based on reported POA information and PU stage to approximate version 4.4 of PSI 3 improved sensitivity (78.6{\%}; 95{\%} CI 62.7-94.5{\%}) and specificity (98.0; 95{\%} CI 97.1-98.9{\%}). In conclusion, accounting for POA information and PU staging to approximate newer versions of the PSI software (v4.3) moderately improves validity.",
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AU - Tancredi, Daniel J

AU - Mayer, Lindsay Grogean

AU - Cerese, Julie

AU - Cuny, Joanne

AU - Romano, Patrick S

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