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Table 3 Prevalence and odds ratios for interRAI PURS scale items with incidence of pressure ulcer in 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

interRAI PURS items Prevalence New Pressure Ulcer: Odds Ratio (95% confidence)
   Bivariate Multi-variable Model
Impaired in bed mobility (G1aa = 3,4 or 8) 44.1% 3.05 (2.52, 3.69) 1.66 (1.30, 2.13)
Impaired in walking (G1ca = 3,4 or 8) 50.7% 3.10 (2.54, 3.79) 1.63 (1.26, 2.12)
Bowel incontinence (H1a = 2,3 or 4) 51.1% 2.80 (2.30, 3.42) 1.78 (1.42, 2.24)
Weight loss (K3a = 1) 19.7% 1.43 (1.16, 1.76) 1.55 (1.25, 1.91)
History of resolved pressure ulcers (M3 = 1) 7.8% 3.53 (2.74, 4.53) 2.47 (1.91, 3.19)
Daily pain (J2a = 2) 19.3% 1.45 (1.18, 1.78) 1.41 (1.14, 1.75)
Shortness of breath (J1l = 1) 6.3% 1.45 (1.05, 2.00) 1.54 (1.11, 2.14)