Critical Care Research and Practice / 2011 / Article / Tab 2

Clinical Study

Impact of a Multimodal Antimicrobial Stewardship Program on Pseudomonas aeruginosa Susceptibility and Antimicrobial Use in the Intensive Care Unit Setting

Table 2

Assessment of correlation between P. aeruginosa resistance and antibiotic usage.

ParametersCorrelation coefficient (r)r 2P value

Univariate assessments
Ciprofloxacin0.5930.351.121
Ceftazidime0.3380.114.413
Cefepime0.7340.538.097
Piperacillin-tazobactam0.3860.149.450
Carbapenems0.2190.048.602
Gentamicin0.3740.139.362
Tobramycin0.1840.034.664

Bivariate assessments
Ciprofloxacin resistance−0.735−0.540.038
 Tobramycin usage
Ceftazidime resistance0.9660.934.002
 Cefepime use

Only relationships with P values <.05 are listed.

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