TABLE 1.
Relationships with susceptibility rates to ciprofloxacin over timea
| Variable | Sign (P value) for:
|
|||
|---|---|---|---|---|
| P. aeruginosa | E. coli | K. pneumoniae | P. mirabilis | |
| Intercept | + (<0.0001) | + (<0.0001) | + (<0.0001) | + (<0.0001) |
| Time (count variable) | − (0.436) | − (0.039) | − (0.927) | − (0.623) |
| Levofloxacin | + (0.948) | + (0.184) | + (0.829) | − (0.155) |
| Levofloxacin/time (slope variable) | − (0.042) | − (0.004) | − (0.929) | + (0.146) |
| Gatifloxacin | + (0.183) | + (0.0002) | + (0.250) | − (0.291) |
| Gatifloxacin/time (slope variable) | + (0.081) | + (0.036) | − (0.349) | − (0.188) |
| Total fluoroquinolones | − (0.900) | + (0.446) | − (0.351) | + (0.825) |
| Durbin-Watson statistic | 1.90 | 2.37 | 1.76 | 2.35 |
a
Significance determined at the 0.05 level. Refer to the Appendix for details of the model.