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TABLE 2. Relationships with MRSA isolation rate over time^a

Variable Sign (P value)

Intercept + (0.225)

Time (count variable) + (0.904)

Levofloxacin – (0.257)

Levofloxacin/time (slope variable) + (0.001)

Gatifloxacin + (0.343)

Gatifloxacin/time (slope variable) – (<0.0001)

Total fluoroquinolones + (0.017)

Durbin-Watson statistic 1.78

^a Significance determined at the 0.05 level. Refer to the Appendix for details of the model.

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