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We examined the relationship between vegetable consumption and the risk of death from liver cancer in a cohort study in Japan. This analysis is based on data from 6,049 subjects aged 40 to 79 years enrolled in a cohort study conducted in Fukuoka Prefecture, Japan. The follow-up period was from 1986 to 1999. All liver cancer deaths were recorded. The(More)
OBJECTIVE In this community-based study, we assessed the advantages of laparoscopic gastrectomy (LG) and the impact of volume-related hospital characteristics on gastrectomy care. BACKGROUND The quality of gastrectomy care and the potential effects of volume-related hospital characteristics on gastrectomy care have not been comprehensively evaluated to(More)
Bowel anisakiasis is rare, and the incidence and clinical features of this condition remain unclear. Using the Japanese Diagnosis Procedure Combination (DPC) in-patient database, we identified 201 cases of bowel anisakiasis between the months of July and December during 2007 and 2008. More than 70% were males. The average age was 54.5 years. Overall, 102(More)
BACKGROUND Ovarian cancer, one of the most common cancers in women and the most serious gynecologic cancer, is known to be influenced by reproductive factors, but these factors have not previously been examined in Vietnamese women. STUDY DESIGN We analyzed 262 ovarian cancer patients recruited from 27 hospitals in 12 provinces and Ha Noi City from April(More)
Acute abdominal pain is one of the most frequent causes of admission to emergency departments. However, there is a shortage of detail information showing the difference of outcomes or etiology of acute abdominal pain according to age. We therefore conducted an epidemiological analysis to reveal the difference between age on outcomes and etiology of acute(More)
BACKGROUND Several studies have suggested that i.v. atropine has a potential role in treating infantile hypertrophic pyloric stenosis (IHPS). It remains unclear, however, whether surgery can be replaced by i.v. therapy. METHODS Data were extracted on infants with IHPS who were treated with atropine and/or surgery, from a nationwide administrative database(More)
BACKGROUND Numerous studies have suggested an inverse relationship between hospital volume and short-term mortality after various major operations. However, the volume-outcome relationship after lung cancer surgery remains controversial. We investigated the effects of hospital volume on various outcomes after lobectomy for lung cancer, including chest tube(More)
AIM Thyroid cancer is more frequent in women than in men, suggesting the potential role of reproductive and menstrual factors in this cancer. To investigate the association with these factors, we examined 37,986 women involved in the Japan Collaborative Cohort (JACC) Study from 1988 to 1997. METHODS Reproductive and menstrual factors were assessed with a(More)
BACKGROUND/PURPOSE We aimed to evaluate compliance with the clinical practice guidelines for acute cholangitis (Tokyo Guidelines) using the Japanese administrative database associated with the Diagnosis Procedure Combination (DPC) system. METHODS We collected database data from 60,842 acute cholangitis patients, examining 10 recommendations in the Tokyo(More)
OBJECTIVES The aim of this study was to investigate the effect of shift working on the risk of developing impaired glucose tolerance (IGT). METHODS This study comprised 6413 male employees (5608 daytime workers, 512 3-shift workers and 293 2-shift workers) whose work schedules remained constant during the follow-up period (mean follow-up period 9.9(More)