Factors associated with specific uropathogens in catheter-associated urinary tract infection: Developing a clinical prediction model

Title
Factors associated with specific uropathogens in catheter-associated urinary tract infection: Developing a clinical prediction model
Author(s)
허지안오원섭[오원섭]김백남[김백남]박경화[박경화]문치숙[문치숙]김의석[김의석]최희경[최희경]
Keywords
METHODOLOGICAL STANDARDS; PREVENTION; SUSCEPTIBILITY; GUIDELINES; MANAGEMENT; PATHOGENS; DIAGNOSIS; RULES
Issue Date
201412
Publisher
SAGE PUBLICATIONS LTD
Citation
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH, v.42, no.6, pp.1335 - 1347
Abstract
Objectives: To identify characteristics associated with particular groups of uropathogens in catheter-associated urinary tract infection (CA-UTI) and to develop clinical prediction rules for identifying these groups. Methods: Demographic, clinical and microbiological data were analysed from patients with CA-UTI. Infections were categorized into enteric Gram-negative rods, nonfermenters, Gram-positive cocci and fungal. Variables were analysed using univariate and multiple logistic regression analyses, and were used to develop clinical prediction rules. Results: A total of 492 patients were included in the study. Candida species were the most common uropathogens (30.7%), followed by enterococci (17.3%), Escherichia coli (12.0%), Pseudomonas spp. (10.8%), Klebsiella spp. (7.9%) and staphylococci (6.5%). Clinical prediction rules for the bacterial uropathogenic groups showed poor-to-fair discriminatory power, with sensitivities of < 40% and specificities of > 90%. However, clinical prediction rules showed good discriminatory power for fungal infections, with a sensitivity of 67.3% and a specificity of 78.1%. Conclusions: Clinical prediction rules developed for identifying specific groups of bacterial uropathogens in patients with CA-UTI had a low sensitivity, whereas those for fungal infections showed good discriminatory power. Further studies to develop more refined and sensitive tools for predicting specific bacterial uropathogens in CA-UTI are warranted.
URI
http://hdl.handle.net/YU.REPOSITORY/30302http://dx.doi.org/10.1177/0300060514543035
ISSN
0300-0605
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의과대학 > 내과학교실 > Articles
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