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Table 1 Characteristics of Derivation Samples from Ontario Long-Term Care Homes

From: Development of the interRAI Pressure Ulcer Risk Scale (PURS) for use in long-term care and home care settings

Resident Characteristic Braden Scale Sample
(n = 257)
Assessment/Reassessment SampleM
(n = 14,083)
Age   
   mean (std dev) unavailable 82.2 (10.2)
   < 65   6.3%
   65-74   10.3%
   75-84   37.0%
   85+   46.5%
Female unavailable 69.2%
Median day of stay at assessment 451 475
Pressure ulcer (last 7 days)   
   none 93.4% 91.6%
   stage 1 1.2% 3.3%
   stage 2 or higher 5.4% 5.1%
Moderate cognitive impairment or greater (CPS* 3+) 54.9% 58.8%
Extensive assistance in ADL or greater (ADL hierarchy** 3+) 68.1% 74.7%
CHESS*** 2+ 24.1% 17.2%
Diagnoses   
   - Diabetes 18.7% 21.8%
   - Congestive heart failure 13.3% 11.8%
   - Alzheimer's/related dementia 45.1% 55.6%
   - COPD 21.8% 12.9%
   - Stroke 32.3% 20.7%
Braden Scale Total Score   
   17-23 59.5%  
   15-16 (low) 9.7%  
   13-14 (moderate) 13.6%  
   6-12 (high) 17.1%  
Incidence of pressure ulcer -- 3.9%
  1. * CPS: Cognitive Performance Scale, possible scores 0 to 6 with higher scores indicating more severe cognitive impairment, values of 3 or greater equate to an MMSE score of approximately 15 or less
  2. ** ADL Hierarchy: Activities of Daily Living Hierarchy Scale, possible scores 0 to 6 with higher scores indicating more dependence in ADL, values of 3 or greater indicate extensive assistance required
  3. *** CHESS: Changes in Health, End-stage disease and Sign and Symptoms of medical problems, possible scores of 0 to 5 with higher scores indicating more unstable health