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)
Helicobacter pylori is an important risk factor for gastric cancer, gastric ulcer, and duodenal ulcer, yet most infected persons do not develop disease. We examined two correlates of acquisition age, sibship size and birth order, to evaluate the hypothesis that early life acquisition of H. pylori is a risk factor for the development of these illnesses. In(More)
To compare clinical features and assess risk factors for human granulocytic ehrlichiosis (HGE) and early Lyme disease, we enrolled patients in a case-control study during the 1996 and 1997 tick seasons. Clinical and demographic characteristics were assessed for patients with laboratory-confirmed cases of HGE or Lyme disease, and risk factors were compared(More)
BACKGROUND Overuse of antibiotics for children's upper respiratory infections is widespread and contributes to the emergence of antibiotic-resistant bacteria. OBJECTIVE To assess changes in knowledge and awareness regarding antibiotic resistance and appropriate antibiotic use after community-wide educational interventions to reduce inappropriate(More)
It is suspected that male hormones are associated with the risk of prostate cancer. To test this hypothesis, we conducted a nested case-control study in a cohort of 6860 Japanese-American men examined from 1971 to 1975. At the time of examination, a single blood specimen was obtained, and the serum was frozen. After a surveillance period of more than 20(More)
In this case-cohort study, from 1965 to 1968, 8006 Hawaiian men of Japanese ancestry were interviewed with a 24-h dietary recall questionnaire. After a follow-up period of 18 years, 111 stomach cancer incident cases were identified. Dietary data from these patients and from 361 cancer-free men were analyzed for intake of selected foods, food groups, and(More)
In this case-cohort study, from 1965 to 1968, 8006 Hawaiian men of Japanese ancestry were interviewed with a 24-h dietary recall question naire. After a follow-up period of 18 years. 111 stomach cancer incident cases were identified. Dietary data from these patients and from 361 cancer-free men were analyzed for intake of selected foods, food groups, and(More)
Helicobacter pylori is an important risk factor for gastric cancer, gastric ulcer, and duodenal ulcer, yet most infected persons do not develop disease. We examined two correlates of acquisition age, sibship size and birth order, to evaluate the hypothesis that early life acquisition of //. pylori is a risk factor for the development of these illnesses. In(More)
To determine whether infection with a Helicobacter pylori strain pos sessing cagA is associated with an increased risk of development of ade-nocarcinoma 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 //.(More)
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