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A Multicenter Longitudinal Study of Hospital-Onset Bacteremia: Time for a New Quality Outcome Measure?

ABSTRACT: BACKGROUND:Central-line-associated bloodstream infection (CLABSI) rate is an important quality measure, but it suffers from subjectivity and interrater variability, and decreasing national CLABSI rates may compromise its power to discriminate between hospitals. This study evaluates hospital-onset bacteremia (HOB, ie, any positive blood culture obtained 48 hours post admission) as a healthcare-associated infection-related outcome measure by assessing the association between HOB and CLABSI rates and comparing the power of each to discriminate quality among intensive care units (ICUs). METHODS:In this multicenter study, ICUs provided monthly CLABSI and HOB rates for 2012 and 2013. A Poisson regression model was used to assess the association between these 2 rates. We compared the power of each measure to discriminate between ICUs using standardized infection ratios (SIRs) with 95% confidence intervals (CIs). A measure was defined as having greater power to discriminate if more of the SIRs (with surrounding CIs) were different from 1. RESULTS:In 80 ICUs from 16 hospitals in the United States and Canada, a total of 663 CLABSIs, 475,420 central line days, 11,280 HOBs, and 966,757 patient days were reported. An absolute change in HOB of 1 per 1,000 patient days was associated with a 2.5% change in CLABSI rate (P<.001). Among the 80 ICUs, 20 (25%) had a CLABSI SIR and 60 (75%) had an HOB SIR that was different from 1 (P<.001). CONCLUSION:Change in HOB rate is strongly associated with change in CLABSI rate and has greater power to discriminate between ICU performances. Consideration should be given to using HOB to replace CLABSI as an outcome measure in infection prevention quality assessments.

SUBMITTER: Rock C

PROVIDER: S-EPMC4731295 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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A Multicenter Longitudinal Study of Hospital-Onset Bacteremia: Time for a New Quality Outcome Measure?

Rock Clare C Thom Kerri A KA Harris Anthony D AD Li Shanahan S Morgan Daniel D Milstone Aaron M AM Caffo Brian B Joshi Manjari M Leekha Surbhi S

Infection control and hospital epidemiology 20151023 2

<h4>Background</h4>Central-line-associated bloodstream infection (CLABSI) rate is an important quality measure, but it suffers from subjectivity and interrater variability, and decreasing national CLABSI rates may compromise its power to discriminate between hospitals. This study evaluates hospital-onset bacteremia (HOB, ie, any positive blood culture obtained 48 hours post admission) as a healthcare-associated infection-related outcome measure by assessing the association between HOB and CLABSI ...[more]

PMID: 26493213

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Project description:BackgroundTextbook outcome (TO) is a composite outcome measure for surgical quality assessment. The aim of this study was to assess TO following laparoscopic pancreaticoduodenectomy (LPD), identify factors independently associated with achieving TO, and analyze hospital variations regarding the TO after case-mix adjustment.MethodsThis multicenter cohort study retrospectively analyzed 1029 consecutive patients undergoing LPD at 16 high-volume pancreatic centers in China from January 2010 to August 2016. The percentage of patients achieving TO was calculated. Preoperative and intraoperative variables were compared between the TO and non-TO groups. Multivariate logistic regression was performed to identify factors independently associated with achieving TO. Hospital variations regarding the TO were analyzed by the observed/expected TO ratio after case-mix adjustment. Differences in expected TO rates between different types of hospitals were analyzed using the one-way analysis of variance test.ResultsTO was achieved in 68.9% ( n =709) of 1029 patients undergoing LPD, ranging from 46.4 to 85.0% between different hospitals. Dilated pancreatic duct (>3 mm) was associated with the increased probability of achieving TO [odds ratio (OR): 1.564; P =0.001], whereas advanced age (≥75 years) and concomitant cardiovascular disease were associated with a lower likelihood of achieving TO (OR: 0.545; P =0.037 and OR: 0.614; P =0.006, respectively). The observed/expected TO ratio varied from 0.62 to 1.22 after case-mix adjustment between different hospitals, but no significant hospital variations were observed. Hospital volume, the surgeon's experience with open pancreaticoduodenectomy and minimally invasive surgery, and surpassing the LPD learning curve were significantly correlated with expected TO rates.ConclusionTO was achieved by less than 70% of patients following LPD. Dilated pancreatic ducts, advanced age, and concomitant cardiovascular disease were independently associated with achieving TO. No significant hospital variations were observed after case-mix adjustment.

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A Multicenter Longitudinal Study of Hospital-Onset Bacteremia: Time for a New Quality Outcome Measure?

Publications

A Multicenter Longitudinal Study of Hospital-Onset Bacteremia: Time for a New Quality Outcome Measure?

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