Predictive validity of Waterlow Scale for pressure ulcer development risk in hospitalized patients

Journal of Wound, Ostomy, and Continence Nursing : Official Publication of the Wound, Ostomy and Continence Nurses Society
Letícia F SerpaSandra Marina Rosado

Abstract

We sought to evaluate the predictive validity of the Waterlow Scale in hospitalized patients. The study was conducted at a general private hospital with 220 beds and a mean time of hospitalization of 7.4 days and a mean occupation rate of approximately 80%. Adult patients with a Braden Scale score of 18 or less and a Waterlow Scale score of 16 or more were studied. The sample consisted of 98 patients with a mean age of 71.1 + or - 15.5 years. Skin assessment and scoring by using the Waterlow and Braden scales were completed on alternate days. Patients were examined at least 3 times to be considered for analysis. The data were submitted to sensitivity and specificity analysis by using receiver operating characteristic (ROC) curves and positive (+LR) and negative (-LR) likelihood ratios. The cutoff scores were 17, 20, and 20 in the first, second, and third assessment, respectively. Sensitivity was 71.4%, 85.7%, and 85.7% and specificity was 67.0%, 40.7%, and 32.9%, respectively. Analysis of the area under the ROC curve revealed good accuracy (0.64, 95% confidence interval [CI]: 0.35-0.93) only for the cutoff score 17 in the first assessment. The results also showed probabilities of 14%, 10%, and 9% for the development of pressure...Continue Reading

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Citations

May 18, 2016·Iranian Journal of Nursing and Midwifery Research·Vahid SaidkhaniSayed Mahmoud Latifi
Nov 23, 2016·International Journal of Nursing Practice·Lenka ŠatekováRenáta Zeleníková
Sep 5, 2015·Western Journal of Nursing Research·Seong-Hi ParkYoung-Mi Kwon
Nov 28, 2013·Journal of Wound, Ostomy, and Continence Nursing : Official Publication of the Wound, Ostomy and Continence Nurses Society·Francisco Pedro García-FernándezJ Javier Soldevilla Agreda
Oct 18, 2014·Advances in Skin & Wound Care·Jose M González-RuizCarmen G Nogueiras-Quintas
Apr 12, 2011·Annals of the Royal College of Surgeons of England·O AzizT C Holme
Jan 16, 2013·Annals of the Royal College of Surgeons of England·C C ThornT C Holme

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