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To estimate risk factors for pressure ulcers, we developed quantitative definitions for each of the nine general areas of risk outlined by the 1989 National Pressure Ulcer Advisory Panel (NPUAP) and evaluated each of these factors in a group of spinal cord injured patients by means of a retrospective chart review at a spinal cord injury referral center serving the New England area. All patients (n = 364) admitted to the spinal cord injury service between January 1, 1989 and December 31, 1990 were studied. We identified a pressure ulcer in 81 of 364 patients (22.3 percent). In the univariate analyses, pressure ulcers were associated with Frankel groups A to B with an odds ratio (OR) of 5.7 (95 percent confidence interval 2.8 to 11.9), low albumin with an OR of 4.9 (95 percent confidence interval 2.8 to 8.6), low hemoglobin with an OR of 2.5 (95 percent confidence interval 1.5 to 4.1), age > or = 60 years with an OR of 1.9 (95 percent confidence interval 1.2 to 3.2) and three independent measures of co-morbidity: Cumulative Illness Rating Scale (CIRS) with an OR of 3.7 (95 percent confidence interval 2.1 to 6.3), Charlson Index with an OR of 2.2 (95 percent confidence interval 1.3 to 3.8), and International Classification of Diseases, Ninth Revision, Clinical Modification count with an OR of 4.2 (95 percent confidence interval 2.4 to 7.2). In the logistic regression model, low albumin, CIRS and Frankel grade A to B and history of pressure ulcers were predictors.(ABSTRACT TRUNCATED AT 250 WORDS)
Rochon et al. (Thu,) studied this question.