Table 1 CLA-BSI incidence rate/1000 patient days, incidence rate ratio (IRR) in thepost-intervention period compared to baseline period.
Surveillance period | Number of CLA-BSI | Central line days | CLA-BSI rate/1000 central line days | IRR (95% CI) | Percentage reduction* | P value |
|---|---|---|---|---|---|---|
Baseline (two-year period) | 30 | 11,317 | 2.65 | NA | NA | NA |
Post-intervention year 1 | 11 | 5,589 | 1.97 | 0.74 (0.37-1.65) | 26% | 0.398 |
Post-intervention year 2 | 3 | 5,682 | 0.53 | 0.20 (0.06-0.65) | 80% (35%-94%) | 0.008 |
Post-intervention total | 14 | 11,271 | 1.24 | 0.47 (0.25-0.88) | 53% (12%-75%) | 0.019 |