Po-Huang Chyou

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To determine whether infection with a Helicobacter pylori strain possessing cagA is associated with an increased risk of development of adenocarcinoma of the stomach, we used a nested case-control study based on a cohort of 5443 Japanese-American men in Oahu, Hawaii, who had a physical examination and a phlebotomy during 1967 to 1970. We matched 103 H.(More)
One-quarter of U.S. households use a septic system for wastewater disposal. In this study we investigated whether septic system density was associated with endemic diarrheal illness in children. Cases--children 1 to < 19 years old seeking medical care for acute diarrhea--and controls resided in the Marshfield Epidemiologic Study Area, a population-based(More)
PURPOSE Bevacizumab, an FDA-approved adjuvant treatment for metastatic colon cancer, has extended survival for many patients. However, factors predicting response to treatment remain undefined. PATIENTS AND METHODS Relevant clinical and environmental data were abstracted from medical records of 149 evaluable patients treated with bevacizumab for(More)
The objective of this study was to assess current knowledgeability, attitudes, and practice behaviors of primary care providers (PCPs) towards oral cancer screening. Applying a cross-sectional design, a 14-question survey was emailed to 307 PCPs practicing at a large, multi-specialty, rurally based healthcare system. Survey data were collected and managed(More)
Cognitive science methods have shown significant promise to meaningfully inform and formulate the design, development and assessment of clinical information systems and decision support technology. The objective of this project was to determine the cognitive thought process and information management strategies of providers in an ambulatory clinical setting(More)
Meta-analysis is a powerful tool to estimate measures of associations or effects based on published or unpublished reports. However, problems exist in many meta-analyses, particularly related to study heterogeneity. This article proposes a way of concluding meta-analysis results using P values, taking heterogeneity into account. There is little published(More)
Articulation of medical and dental practices has been strongly called for based on the many oral-systemic connections. With the rapid development and adoption of electronic health records, the feasibility of integrating medical and dental patient data should be strongly considered. The objective of this study was to develop an initial understanding of the(More)
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