days was 311.7 d/mo. In comparison, mean catheter
days during the intervention declined to 238.6 d/mo,
a reduction of 73.1 d/mo. In the 11 months before
the intervention, 15 CAUTIs occurred during 3429
device days or 4.7 per 1000 days. In the intervention
phase, 0 CAUTIs occurred in 1432 device days. These
differences were statistically significant.