Hoang, Van Dong;Lee, Andy H;Pham, Ngoc Minh;Xu, Dan;Binns, Colin W
Asian Pacific Journal of Cancer Prevention
/
v.17
no.11
/
pp.4939-4944
/
2016
Background: An upward trend has been noted for the incidence of prostate cancer (PCa) in Vietnam, but information is limited on modifiable factors associated with this form of cancer. This case-control study was conducted to ascertain any relationship between habitual tea consumption and PCa risk. Materials and Methods: Two hundred and fifty-three incident patients with histologically confirmed PCa and 419 (340 community-based and 79 hospital-based) controls, matched by age, were recruited in Ho Chi Minh City during 2013-2015. Information on frequency, quantity and duration of tea consumption, together with demographics, habitual diet and lifestyle characteristics, was obtained by direct interviews using a validated questionnaire. Logistic regression analyses were performed to assess associations between tea consumption variables and PCa risk. Results: The control subjects reported higher tea consumption levels in terms of cumulative exposure, frequency and quantity of tea drank than the PCa patients. After accounting for confounding factors, increasing tea consumption was found to be associated with reduced risk of PCa. The adjusted odds ratios (95% confidence intervals) were 0.52 (95% CI 0.35-0.79) and 0.30 (95% CI 0.18-0.48) for participants drinking 100-500 ml/day and > 500 ml/day, respectively, relative to those drinking < 100 ml/day. Significant inverse dose-response relationships were also observed for years of drinking and number of cups consumed daily (P <0.01). Conclusion: Habitual tea consumption is associated with a reduced risk of PCa in Vietnamese men.
Journal of Korean Society for Atmospheric Environment
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v.3
no.2
/
pp.27-32
/
1987
As part of an air pollution epidemiological study of asthmatics residing in the Houston area, an air monitoring system provided data on the indoor and outdoor measurements of major pollutant gases sampled at selected residences during May ~ October 1981. Continuously monitored pollutant gases included sulfur dioxide ($SO_2$), nitrogen dioxide($NO_2$), nitric oxide(NO), carbon monoxide(CO), and ozone($O_3$). Outdoor levels for each pollutant were compared with their indoor levels(bedroom, kitchen, living room). Mean concentrations of each pollutant in the kitchen, and living room exceeded the mean levels outside except for ozone, while average bedroom levels for all gases except for $O_3$ and $NO_2$ were found higher than the corresponding outside levels. Indoor/ outdoor ratios for $SO_2$, NO, and CO were 1.8 ~ 2.7 times the outdoor levels, but indoor/ outdoor ratios for $NO_2$ and $O_3$ were 0.99 and 0.06, respectively. The impact of several important household characteristics (type of cooking fuel and cigarette smoking) on the indoor levels for these gases is evaluated.
Kim, Eun-Jeung;Kim, Moo-Sang;Chae, Young-Zoo;Cheon, Doo-Sung
Korean Journal of Microbiology
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v.48
no.2
/
pp.102-108
/
2012
Fecal specimens from acute gastroenteritis in Seoul from 2003 to 2007 were collected and then tested for the presence of Norovirus by RT-PCR. Among a total of 4,685 samples investigated, 383 samples (8.2%) were positive. The analysis of outbreaks related norovirus contamination occurred from 2003 to 2007 in Seoul revealed 57 cases happened during investigated period. Seasonal prevalence showed winter season predominant characteristics of pattern of epidemics by long term investigation for norovirus infections. The incidence of norovirus infection in the case of acute gastroenteritis by catering food in school were 32%, by food in general restaurant were 29%. This epidemiological investigation in Seoul was strongly needed for control and prevention of outbreaks related with norovirus by forecasting disease epidemics.
Yun, Byeong Sook;Back, Ji Eun;Lee, June Sang;Park, Mi Jeong;Lim, Young Mi
Journal of Korean Clinical Nursing Research
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v.14
no.3
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pp.5-14
/
2008
Purpose: The purpose of this study was to compare body image, depression, and climacteric symptoms among middle-aged women with and without thyroidectomy. Method: The research design was a comparative descriptive study using a self-report questionnaire. A total of 102 women aged 40~59 years were recruited using a convenient sampling method. A total of 52 women out of 102 were within a year after thyroidectomy due to benign disease. The rest of the subjects were healthy women without any previous diseases in thyroid. The instruments included Body Image Concern Inventory, Climacteric symptoms, and Center for Epidemiological Studies Depression Scale. The data were analyzed by descriptive statistics, t-test, $x^2$-test, one-way ANOVA, and correlation analysis. Results: There were no significantly differences in age, education, menstruation states between women with and without thyroidectomy. The demographic characteristics of two groups were homogeneous. There were significantly statistical differences in body image (t= 8.456, p=.000), and depression (t=3.142, p=.002) between the groups. There was, however, no significantly differences of climacteric symptoms. In addition, in women with thyroidectomy, no significant associations were found among body image, depression, and climacteric symptoms. Conclusion: The findings demonstrated the need to develop an effective nursing intervention to increase body image and to reduce depression in middle-aged women after thyroidectomy.
Background: Stomach cancer is the fourth most common cancer and the second leading cause of cancer-related death through the world. It is predicted that the number of new cancer cases will be more than 15 million cases by 2020. Regarding the lack of studies on this topic in the country, we have thoroughly examined the patho-epidemiology of stomach cancer in Iran. Materials and Methods: In this cross- sectional study data were collected retrospectively reviewing all new stomach cancer patients in Cancer Registry Center report of health deputy for Iran during a 6-year period (2003-2008). The study also examined the morphology of common stomach cancers. Trends in incidence and morphology underwent joinpoint regression analysis. Results: During the six-year period, a total of 35,171 cases of stomach cancer were registered. Average age standardized rate for females and males were equal to 7.1 and 15.1 per 100,000 persons, respectively. Most common histological type was adenocarcinoma, NOS with 21,980 cases (62.50%). The annual percentage change (APC) in age-standardized incidence rate (per 100,000) was increase in both females and males at 11.1 (CI: 4.3 to 18.3) and 9.2 (CI: 5.2 to 13.4), respectively. Conclusions: According to our results, the incidence of gastric cancer is increasing in Iran, so further epidemiological studies into the etiology and early detection are essential.
Journal of agricultural medicine and community health
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v.7
no.1
/
pp.43-49
/
1982
Clonorchiasis sinensis is one of the most important endemic diseases in Korea, and this disease has been known to be one of public health concern in many areas of Korea. This survey was undertaken to evaluate the status of clonorchiasis in Yeoju Gun, Gyeong-gi Do from July to September 1980. A total of 1,194 male students were examined by intradermal test with Clonorchis antigen. In order to detect Clonorchis egg, the stool examinations were undertaken to 1,158 students, and the intensity of the Clonorchis infection was estimated by the Stoll's egg count. The prevalence rate was reanalyzed by the regional groups for an investigation of regional characteristics of infection. The following results were obtained in this survey. 1) Among 1,194 students in Yeoju Eup, positive rate of intradermal test with C. sinensis antigen was 17.2 percent. (middle school14.6% and high school 20.1%). 2) In the examination of 1,158 stool specimens, Clonorchis eggs were found in 97 (8.4%) cases. 3) Mean E.P.G. of Clonorchis infected case was $1,330{\pm}2,620$. 4) The degree of the intensity of Clonorchis infection by E.P.G. count was distributed as 73.6% in light infection (100-999), 22.6%, in moderate infection (1,000-9,999), and 3.8% in heavy infection (10,000-29,999). 5) High prevalence rate of Clonorchis sinensis was found in the Sang-Ri(9,3%) and Ha-Ri(8.4%) in Yeoju Eup. Neighbouring Bugnae Myun (11.5%), Gangcheon Myun(12.1%) and Neungseo Myun (11.1%) adjacent to the river had a similary high prevalence of C. sinensis.
Journal of the Korean Society of Physical Medicine
/
v.15
no.2
/
pp.57-63
/
2020
PURPOSE: This study examined the incidence, location, and characteristics of sports injuries according to the position in Korean national Kabaddi athletes. METHODS: Twenty-four national Kabaddi athletes (12 males and 12 females) who trained at the national training center between January 2019 and December 2019 were enrolled in this study. The event, position, and location of injury were recorded on an IOC daily injury report form. The incidence of sports injury was examined with the 95% confidence interval (CI), and the difference in the incidence of injury by position was presented as the rate ratio (RR). Moreover, the differences in the location of sports injury according to position were examined using χ2 tests. RESULTS: One hundred and nine sports injuries occurred among Kabaddi players, with an incidence of 20.28 cases of injuries per 1,000 exposures (95% CI 16.47 - 24.08), and the incidence of injury was the highest among the competition, followed by training and weights. The most common location of sports injury was the lower extremity, followed by the upper extremity, trunk, head, and neck. In addition, no significant differences in the locations of the sports injuries were noted according to gender (p = .689). Furthermore, knee, ankle, lumbar spine/lower back, shoulder/clavicle were common sites of sports injury among Kabaddi players. CONCLUSION: These results provide a baseline for predicting sports injuries occurring in athletes during games, and would provide useful information for developing performance enhancement as well as injury prevention programs.
Journal of the Korean Society of Physical Medicine
/
v.15
no.2
/
pp.93-100
/
2020
PURPOSE: This study examined the incidence, location, and characteristics of sports injuries according to the position in Korean female elite handball athletes. METHODS: Thirty handball athletes, who trained at between January 2019 and December 2019 were enrolled. The event, position, and location of injury were recorded according to the IOC's Daily injury reports form. The incidence of sports injury was examined with the 95% confidence interval (CI), and the difference in the incidence of injury by position was presented as the rate ratio (RR). Moreover, differences in the location of the sports injury according to the position were examined using χ2 tests. RESULTS: A total of 148 sports injuries occurred in the handball players, with an incidence of 22.71 cases of injury per 1,000 exposures (95% CI 19.05 - 26.37) The incidence of injury was highest in the Competition group, followed by the Weights and Training groups. The most common location of sports injury was the lower extremity, followed by the upper extremity, trunk. No significant differences in the location of sports injuries were observed according to the position (p = .384). In addition, the knee, ankle, lumbar spine/lower back, shoulder/clavicle were common sites of sports injury among handball players. CONCLUSION: These results provide a baseline for predicting sports injuries occurring in athletes during games, and would provide useful information for developing performance enhancement as well as injury prevention programs.
Background: Kurdish women with breast cancer have more unfavorable prognostic factors than their Turkish and Arab counterparts. However, the effects of these factors on breast cancer survival among these ethnic groups remain unclear. We therefore investigated the impact of ethnicity on survival in breast cancer patients in Turkey. Materials and Methods: Ethnicity, age, stage at diagnosis, tumor characteristics, treatments given (surgery, chemotherapy, radiotherapy and hormone therapy), and survival times were recorded. Kaplan-Meier analysis was used to estimate the overall survival times and survival plots. Log-rank test was used to compare the survival curves.Results: Of the 723 breast cancer patients included in the study, 496 (68.7%) were Turkish, 189 (26.2%) were Kurdish, 37 (5.1%) were Arabic and 1 was Armenian. Kurdish women with breast cancer had larger tumor sizes and higher rates of hormone receptor negative tumors than Turkish and Arab patients. Mean follow-up time was 118.4 [95% Confidence Interval (CI): 95.4-141.3] months, and it was 129.9 (95% CI: 93.7-166.2), 124.2 (95% CI: 108.4-140.1) and 103.1 (95% CI: 85.9-120.4) months for Turkish, Arabic and Kurdish patients, respectively. Conclusions: Kurdish ethnicity is associated with higher rates of hormone receptor negative and triple-negative tumors and with worse survival. Clinical and epidemiological research is warranted to elucidate reasons underlying overall survival, variations in tumor biology, differences in treatment responsiveness, and effects of social factors among ethnic groups in Turkey.
Background: Pyogenic granuloma (PG) is a benign vascular lesion of the mucosa and skin. Recent studies of the epidemiology of PG are rare. We aimed to retrospectively analyze characteristics of PG cases in South Korea. Methods: We reviewed the medical records of 155 patients treated for PG between March 2005 and May 2014. The male-to-female ratio was 1:1.2 (70 males, 85 females). The mean age of patients was 35.3 years. Results: A high occurrence was observed in the first and third decades in males, and the fourth to fifth decades in females. There was a statistically significant difference between genders according to age group (p<0.05). The average lesion diameter was $0.84{\pm}0.46cm$ (long axis). The most frequently involved site was the face (n=47). Bleeding was the primary complication (n=41). PG was mostly treated with excisional biopsy (n=74). The recurrence rate was 7.7% (n=12). Conclusion: We concluded that most common site of PG was the face, the age of female with PG is higher than previous studies, and finger is associated with trauma more than other sites. The most recent epidemiological information on PG of this study will support the treatment and diagnosis of PG and future research objectives.
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