Evaluation of Ertapenem use with Impact Assessment on Extended-Spectrum Beta-Lactamases (ESBL) Production and Gram-Negative resistance in Singapore General Hospital (SGH)

Table 6 Correlation of ertapenem consumption with incidence of antibiotic-resistant bacteria

	Correlation Coefficient*	R^2*	P-values*	Time Lag
Ciprofloxacin-resistant E. coli	0.5349	0.2862	0.111	Zero
Cephalosporin-resistant E. coli	0.6665	0.4442	0.035	Zero
Ciprofloxacin-resistant Klebsiella spp.	−0.4393	0.0393	0.583	−1 year
Cephalosporin-resistant Klebsiella spp.	−0.6752	0.3514	0.071	−6 months
Ertapenem-resistant E. coli	0.7144	0.5103	0.020	Zero
Ertapenem-resistant Klebsiella spp.	0.5249	0.2755	0.119	Zero
Carbapenem-resistant Acinetobacter baumannii	−0.6485	0.0911	0.397	−1 year
Carbapenem-resistant Pseudomonoas aeruginosa	0.5648	0.3190	0.089	Zero

*Correlation coefficient, R² and P-values are obtained from cross-correlation analysis.

ISSN: 1471-2334