Table 3.
Interrupted Time Series Analysis With Primary Outcome Measures of VRE and C. difficile Acquisition
| IRR | (95% CI) | P Value | |
|---|---|---|---|
| VRE, full segmented regression model | |||
| Baseline trend | 1.01 | (0.86–1.18) | .911 |
| Level change after UV cleaning | 1.34 | (0.37–4.80) | .652 |
| Trend change after UV cleaning | 0.96 | (0.81–1.14) | .625 |
| Clostridium difficile , full segmented regression model | |||
| Baseline trend | 0.93 | (0.78–1.11) | .415 |
| Level change after UV cleaning | 0.51 | (0.13–2.11) | .356 |
| Trend change after UV cleaning | 1.08 | (0.89–1.31) | .413 |
Note. IRR, incidence rate ratio; UV, ultraviolet; VRE, vancomycin-resistant enterococci.