Volume 10, Number 10—October 2004
Epidemiology and Cost of Nosocomial Gastroenteritis, Avon, England, 2002–2003
|Total inpatient wards followed-up||171|
|Inpatient unit outbreaksb||227|
|Incidence (outbreaks per unit year) (95% CI)||1.33 (1.16–1.51)|
|Duration of outbreak|
|Mean days per outbreak (95% CI)||9.21 (6.54–11.88)|
|Number of unit closures to new admissions (% of all outbreaks)||158 (69.6)|
|Total number of days of closure to new admissions||1,527|
|Mean number of days closed per closure to new admissions (95% CI)||9.65 (8.50–10.81)|
|Mean number of bed days lostc per day of closure to new admissions (95% CI)||3.57 (1.86–5.23)|
|Total bed days lostd (95% CI)||5,443 (2,838–7,968)|
aCI, confidence interval.
bEleven outbreaks occurred in outpatient units and affected staff members only.
cBeds that remained empty because the unit was closed to new admissions. This number does not include beds blocked because patient could not be discharged because of the outbreak.
dDays of unit closure to new admissions x bed-days lost per day of unit closure.