Table 6.
Univariate and Logistic Regression Analysis for Lower Respiratory Tract Infection*
| Variable | Unadjusted OR (95% CI) | P Value | Adjusted OR (95% CI) | P Value |
|---|---|---|---|---|
| Total beds, per 100 beds | 1.10 (1.04 to 1.21) | .06 | 1.15 (1.04 to 1.27) | .01 |
| Chronic beds, per 100 beds | 1.02 (0.80 to 1.29) | .90 | — | — |
| Presence of physician on duty | 1.52 (0.89 to 2.60) | .13 | — | — |
| Restricted reporting | 1.66 (0.83 to 3.2) | .15 | — | — |
| Availability of an infectious diseases consultant | 1.44(0.84 to 2.47) | .18 | — | — |
| Infection control practitioner full-time equivalents | 0.91 (0.74 to 1.12) | .38 | — | — |
| Restricted antibiotic formulary | 1.60 (0.95 to 2.7) | .08 | — | — |
| Presence of an antibiotic subcommittee | 0.51(0.29 to 0.90) | .51 | 0.45 (0.27 to 0.71) | .01 |
| Seven-day (vs 10-day) automatic stop date for antibiotic orders | 0.92 (0.49 to 1.72) | .79 | — | — |
*
Binomial random effects used to assess factors associated with prescriptions meeting definitons for lower respiratory tract infection. Adjusted odds ratios (OR) of variables kept in the final model are presented. CI indicates confidence interval.