. Author manuscript; available in PMC: 2015 Jul 7.

Published in final edited form as: Infect Control Hosp Epidemiol. 2013 Jan 24;34(3):274–283. doi: 10.1086/669524

Table 5.

Impact of Knowledge of MDR-GNB Infections, Resistance Mechanisms, and Susceptibility Testing on Interpretation and Use of Specialized Susceptibility Testing

Knowledge variables	Confident interpreting standard AST	Confident interpreting specialized AST	Request specialized AST

	AOR (CI₉₅)
Familiarity with BSI caused by MDR-GNB	1.32 (1.05–1.67)	1.23 (1.08–1.40)	NS
Awareness of MDR-GNB resistance mechanisms	1.49 (1.33–1.67)	1.27 (1.20–1.35)	1.23 (1.03–1.48)
Awareness of standard AST	1.39 (1.25–1.55)	NS	1.36 (1.14–1.63)
Awareness of specialized AST	1.29 (1.10–1.52)	NS	1.69 (1.29–2.22)

Abbreviations used in Table: BSI, blood stream infection; MDR-GNB, multidrug-resistant gram-negative bacilli; AST, antimicrobial susceptibility testing; AOR, adjusted odds ratio; CI, confidence interval; NS, not significant;