Prevalence of patients infected and prevalence of infections Proportion of CNSisolate from patient
Prevalence of patients infected 4,5 IC 95% [3,8 -5,2] % of CNS 32 (229/714)
Prevalence of infections 5.4% (IC95% [4.8%,6.3%] % S. sciuri among CNS 24,5 (56/ 229)
Incidence 714/285600 = 2.51 cases per 1000 patient-days Incidence of bloodstream caused by S. sciuri 56/285600 = 0.2 cases per 1000 patient-days
The overall isolation rate of S. sciuri in the hospital environment
Environmental samples (420) 15% (63/420)
Floors areas 29% (18/63)
Door Handle 22% (14/63)
Intravenous Pump Buttons 14% (9/63)
Faucet 10% (6/63)
Stands for infusion apparatus 8% (5/63)
Mobile instrument tables 5% (3/63)
Bed Frames 5% (3/63)
Chairs 3% (2/63)
Sterilizing drums 3% (2/63)
Nurse Call Buttons 1% (1/63)
Table 3: Frequency of bloodstream infections at CHDZ/C during the study period.