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BACKGROUND Opium addicts (OA) with no biliary symptoms have been shown to have dilated common bile duct (CBD). Endoscopic retrograde cholangio-pancreatography (ERCP) without biliary drainage in such asymptomatic OA is hazardous. Hence it is not indicated unless there are clear clinical and laboratory evidences of biliary stasis. AIMS To show that even(More)
BACKGROUND Multidrug-resistant tuberculosis (MDR-TB) resulting from various factors has raised serious public health concerns worldwide. Identifying the ecological risk factors associated with MDR-TB is critical to its prevention and control. This study aimed to explore the association between the development of MDR-TB and the risk factors at the(More)
OBJECTIVE To systematically assess imaging diagnostic tests for fatty liver and provide a decision-making basis for clinical diagnosis and screening. METHODS Electronic searches were conducted on the Chinese Biomedical Database, PubMed, and EMBASE, combining with manually searching of Chinese literature. All searches were completed until November 2002.(More)
OBJECTIVE To introduce Meta-analysis in evaluating diagnostic tests. METHOD Adjusted SROC method was used in assessing 7 diagnostic tests on fatty liver. RESULTS The pooled sensitivity and specificity of type B ultrasonography were 0.89 [95% confidence interval (CI): 0.87-0.92] and 0.94 (95% CI: 0.92-0.96) respectively while the Q value was 0.90 by(More)
Little is known about the incidence and pattern of poisonings in Hong Kong. Hence, adults (subjects aged > or = 15 years) and children (subjects aged < or = 14 years) hospitalized in the Princess Margaret Hospital in 1994 with ICD codes of 960-977 (medicinal poisonings) or 980-989 (non-medicinal poisonings) were studied. This is the main general hospital(More)
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