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OBJECTIVE To assess the educational effectiveness on learning evidence based medicine of a handheld computer clinical decision support tool compared with a pocket card containing guidelines and a control. DESIGN Randomised controlled trial. SETTING University of Hong Kong, 2001. PARTICIPANTS 169 fourth year medical students. MAIN OUTCOME MEASURES(More)
BACKGROUND As yet, no one has written a comprehensive epidemiologic account of a severe acute respiratory syndrome (SARS) outbreak from an affected country. OBJECTIVE To provide a comprehensive epidemiologic account of a SARS outbreak from an affected territory. DESIGN Epidemiologic analysis. SETTING The 2003 Hong Kong SARS outbreak. PARTICIPANTS(More)
BACKGROUND Accurate and precise estimates of the incubation distribution of novel, emerging infectious diseases are vital to inform public health policy and to parameterize mathematical models. METHODS We discuss and compare different methods of estimating the incubation distribution allowing for interval censoring of exposures, using data from the severe(More)
BACKGROUND Differentiated thyroid cancer survivors are at increased risk of nonsynchronous second primary malignancy, but the cause remains unclear. This study aimed to evaluate the association between radioiodine therapy and risk of nonsynchronous second primary malignancy and to examine whether the risk of nonsynchronous second primary malignancy in(More)
Breast cancer incidence should be assessed separately in different populations, as it differs substantially between Chinese and Caucasian women, and more generally in developing versus developed populations. Estimation of future trends is important for public health planning. On the basis of the recent breast cancer incidence trends, we projected future(More)
To better understand the distribution of resources and health care consumption patterns in different geo-ethnic and socio-economic settings, we sought to describe the patterns of illness, care-seeking behavior and health services utilization in Hong Kong compared to the US and UK. Data were derived from the 2002 Hong Kong Thematic Household Survey covering(More)
BACKGROUND A variety of Serfling-type statistical algorithms requiring long series of historical data, exclusively from temperate climate zones, have been proposed for automated monitoring of influenza sentinel surveillance data. We evaluated three alternative statistical approaches where alert thresholds are based on recent data in both temperate and(More)
BACKGROUND Although the cost effectiveness of screening mammography in most western developed populations has been accepted, it may not apply to Chinese women, who have a much lower breast cancer incidence. The authors estimated the cost effectiveness of biennial mammography in Hong Kong Chinese women to inform evidence-based screening policies. METHODS(More)
We examined for the presence of moral hazard among those covered by medical benefits or insurance schemes, whether provided for by employers or privately purchased and stratified by health care provider sector in Hong Kong. Data for this study were derived from the 2002 Thematic Household Survey, covering 24,610 non-institutional residents aged 15 and over,(More)
BACKGROUND AND OBJECTIVES We performed a follow-up survey to document changes in the level of computerization among physicians in Hong Kong between 2000 and 2001, specifically examining whether their self-reported intention to computerize various clinical or administrative tasks actually translated into computerization of these tasks 1 year later.(More)