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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.