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Table 7 Correlation of ertapenem consumption with consumption of other antibiotics

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

Antibiotic

Correlation Coefficient*

R2*

P-values*

Time Lag

Ciprofloxacin

0.3177

0.10093

0.717

−3 months

Ceftriaxone

0.4695

0.22043

0.657

−3 months

Cefepime

−0.6111

0.37344

0.067

3 months

Imipenem

−0.5575

0.31081

0.001

Zero

Meropenem

0.2948

0.4092

0.004

6 months

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