Estimating central line-associated bloodstream infection incidence rates by sampling of denominator data: A prospective, multicenter evaluation

Nicola D. Thompson, Jonathan R. Edwards, Wendy Bamberg, Zintars G. Beldavs, Ghinwa Dumyati, Deborah Godine, Meghan Maloney, Marion Kainer, Susan Ray, Deborah Thompson, Lucy Wilson, Shelley S. Magill

Research output: Contribution to journalArticle

Abstract

Background Large-scale, prospective, evaluation of sampling for central line-associated bloodstream infection (CLABSI) denominator data was necessary prior to National Healthcare Safety Network (NHSN) implementation. Methods In a sample of volunteer hospitals from states in the Emerging Infections Program, prospective collection of CLABSI denominators (patient days, central line days [CLDs]) was performed in eligible locations for ≥6 and ≤12 consecutive months using the current NHSN method (daily collection) and also by a second data collector who sampled the denominator data 1 d/wk. The quality of the sampled data was evaluated and used to calculate estimated CLDs and CLABSI rates, which were compared with actual CLDs and CLABSI rates (daily counts). Results In total, 89 locations in 66 acute care hospitals participated. Sampled data were collected as intended 88% of the time; the quality of the data was comparable with the data collected daily. In locations with higher CLDs per month (≥75), estimated CLDs and CLABSI rates were similar to actual CLDs and CLABSI rates; however, there were significant differences in actual and estimated values among locations with lower (≤74) CLDs per month.Sampling was successfully implemented, but significant differences in the accuracy of estimated CLDs and CLABSI rates, based on the actual number of CLDs per month, were noted. Conclusion For locations with a higher number of CLDs per month, sampling 1 d/wk is a valid and accurate alternative to daily collection of CLABSI denominator data.

Original languageEnglish (US)
Pages (from-to)853-856
Number of pages4
JournalAmerican Journal of Infection Control
Volume43
Issue number8
DOIs
StatePublished - Aug 1 2015
Externally publishedYes

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Incidence
Infection
Hospital Volunteers
Delivery of Health Care
Safety
State Hospitals
Data Accuracy

Keywords

  • Central line-associated bloodstream infection
  • Denominator
  • Methods
  • National Healthcare Safety Network
  • Surveillance

ASJC Scopus subject areas

  • Infectious Diseases
  • Public Health, Environmental and Occupational Health
  • Epidemiology
  • Health Policy

Cite this

Estimating central line-associated bloodstream infection incidence rates by sampling of denominator data : A prospective, multicenter evaluation. / Thompson, Nicola D.; Edwards, Jonathan R.; Bamberg, Wendy; Beldavs, Zintars G.; Dumyati, Ghinwa; Godine, Deborah; Maloney, Meghan; Kainer, Marion; Ray, Susan; Thompson, Deborah; Wilson, Lucy; Magill, Shelley S.

In: American Journal of Infection Control, Vol. 43, No. 8, 01.08.2015, p. 853-856.

Research output: Contribution to journalArticle

Thompson, ND, Edwards, JR, Bamberg, W, Beldavs, ZG, Dumyati, G, Godine, D, Maloney, M, Kainer, M, Ray, S, Thompson, D, Wilson, L & Magill, SS 2015, 'Estimating central line-associated bloodstream infection incidence rates by sampling of denominator data: A prospective, multicenter evaluation', American Journal of Infection Control, vol. 43, no. 8, pp. 853-856. https://doi.org/10.1016/j.ajic.2015.03.031
Thompson, Nicola D. ; Edwards, Jonathan R. ; Bamberg, Wendy ; Beldavs, Zintars G. ; Dumyati, Ghinwa ; Godine, Deborah ; Maloney, Meghan ; Kainer, Marion ; Ray, Susan ; Thompson, Deborah ; Wilson, Lucy ; Magill, Shelley S. / Estimating central line-associated bloodstream infection incidence rates by sampling of denominator data : A prospective, multicenter evaluation. In: American Journal of Infection Control. 2015 ; Vol. 43, No. 8. pp. 853-856.
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T1 - Estimating central line-associated bloodstream infection incidence rates by sampling of denominator data

T2 - A prospective, multicenter evaluation

AU - Thompson, Nicola D.

AU - Edwards, Jonathan R.

AU - Bamberg, Wendy

AU - Beldavs, Zintars G.

AU - Dumyati, Ghinwa

AU - Godine, Deborah

AU - Maloney, Meghan

AU - Kainer, Marion

AU - Ray, Susan

AU - Thompson, Deborah

AU - Wilson, Lucy

AU - Magill, Shelley S.

PY - 2015/8/1

Y1 - 2015/8/1

N2 - Background Large-scale, prospective, evaluation of sampling for central line-associated bloodstream infection (CLABSI) denominator data was necessary prior to National Healthcare Safety Network (NHSN) implementation. Methods In a sample of volunteer hospitals from states in the Emerging Infections Program, prospective collection of CLABSI denominators (patient days, central line days [CLDs]) was performed in eligible locations for ≥6 and ≤12 consecutive months using the current NHSN method (daily collection) and also by a second data collector who sampled the denominator data 1 d/wk. The quality of the sampled data was evaluated and used to calculate estimated CLDs and CLABSI rates, which were compared with actual CLDs and CLABSI rates (daily counts). Results In total, 89 locations in 66 acute care hospitals participated. Sampled data were collected as intended 88% of the time; the quality of the data was comparable with the data collected daily. In locations with higher CLDs per month (≥75), estimated CLDs and CLABSI rates were similar to actual CLDs and CLABSI rates; however, there were significant differences in actual and estimated values among locations with lower (≤74) CLDs per month.Sampling was successfully implemented, but significant differences in the accuracy of estimated CLDs and CLABSI rates, based on the actual number of CLDs per month, were noted. Conclusion For locations with a higher number of CLDs per month, sampling 1 d/wk is a valid and accurate alternative to daily collection of CLABSI denominator data.

AB - Background Large-scale, prospective, evaluation of sampling for central line-associated bloodstream infection (CLABSI) denominator data was necessary prior to National Healthcare Safety Network (NHSN) implementation. Methods In a sample of volunteer hospitals from states in the Emerging Infections Program, prospective collection of CLABSI denominators (patient days, central line days [CLDs]) was performed in eligible locations for ≥6 and ≤12 consecutive months using the current NHSN method (daily collection) and also by a second data collector who sampled the denominator data 1 d/wk. The quality of the sampled data was evaluated and used to calculate estimated CLDs and CLABSI rates, which were compared with actual CLDs and CLABSI rates (daily counts). Results In total, 89 locations in 66 acute care hospitals participated. Sampled data were collected as intended 88% of the time; the quality of the data was comparable with the data collected daily. In locations with higher CLDs per month (≥75), estimated CLDs and CLABSI rates were similar to actual CLDs and CLABSI rates; however, there were significant differences in actual and estimated values among locations with lower (≤74) CLDs per month.Sampling was successfully implemented, but significant differences in the accuracy of estimated CLDs and CLABSI rates, based on the actual number of CLDs per month, were noted. Conclusion For locations with a higher number of CLDs per month, sampling 1 d/wk is a valid and accurate alternative to daily collection of CLABSI denominator data.

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