In Northern Ireland over the last 7 years, there is a mean of 41.9 laboratory reports per annum of human gastrointestinal infection (range 19-54) caused by Escherichia coli O157:H7. In the preceding years 1992-1996, reports were 5.4 per annum, whereas in 1997-2000, reports increased from 30 to 54 per annum. This high level has continued on an annual basis to date. The aim of this study was ther...

AIM To clarify risk based upon segment length, diagnostic histological findings, patient age and year of surveillance, duration of surveillance and gender. METHODS Patients registered with the United Kingdom Barrett's Oesophagus Registry from 9 United Kingdom centers were included. The outcome measures were (1) development of all grades of dysplasia; (2) development of high-grade of dysplasia...

BACKGROUND The NHS spends billions of pounds annually on repeat prescriptions in primary care, but data on their extent and use is out of date. Understanding the scale of repeat prescribing and for whom it is prescribed is important for the NHS to plan services and develop policies to improve patient care. METHOD Anonymous data on prescription numbers and practice population demographics was ...

In one from Great Britain76 391 patients were admitted to hospital with cerebrovascular accidents in 1963 from a population of 340,000, an incidence of 1-2 per 1,000 per annum, but the comparable incidence for Middlesex County, Connecticut,7 was 2-3 per 1,000 per annum, giving an adjusted rate for the U.S.A. of 1.7 per 1,000. Statistics from a study in Baltimore78 projected to the whole country...

Estimates of the historical equity risk premium in the UK are in the range 7% to 9% per annum. Until recently, portfolio investors and industrialists have been encouraged to use a premium of this order in making investment decisions. The purpose of this paper is to review the risk premium debate and to re-inforce the case for rejecting historical experience in formulating future investment plan...