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"The sensitivity, specificity, and positive and negative predictive values for detecting Candida CRBSI by gram staining of catheter tips were 66.1%, 99.4%, 84.4%, and 98.4%, respectively" Yamada et al (2022).
Gram staining of catheter tips for Candida CRBSI

Abstract:

We analyzed 2462 episodes of suspected catheter-related bloodstream infection (CRBSI). The sensitivity, specificity, and positive and negative predictive values for detecting Candida CRBSI by gram staining of catheter tips were 66.1%, 99.4%, 84.4%, and 98.4%, respectively. Gram staining may be useful for the early detection of Candida CRBSI.

Reference:

Yamada G, Iwamoto N, Ishikane M, Moriya A, Kurokawa M, Mezaki K, Ohmagari N. Predictive Performance of Gram Staining of Catheter Tips for Candida Catheter-Related Bloodstream Infections. Open Forum Infect Dis. 2022 Dec 12;9(12):ofac667. doi: 10.1093/ofid/ofac667. PMID: 36601559; PMCID: PMC9801227.