• 융합정보논문지
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• 제9권5호
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• pp.65-76
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• 2019

본 연구는 국민건강영양조사 제7기 2차년도(2017) 자료를 이용하여 우리나라 20세 이상 성인 여성의 폐경 여부가 유방암에 미치는 영향을 파악하기 위해 시도되었다. 연구 대상자는 3,414명이었고, 자료는 SPSS / Win 25.0 프로그램을 이용하여 복합표본 빈도분석, 복합표본 교차분석(Rao-Scott ${\chi}^2$ test), 복합표본 로지스틱 회귀분석을 실시하였다. 주요 결과는 대상자의 연령에 따라 50~59세에서 40~49세 보다 유방암이 1.7% 더 많았고, 음주 빈도가 전혀 없는 경우가 거의 매일 있는 경우 보다 1.7%가 유의하게 더 많았다. 폐경 연령은 44세 이하가 50세 이상 보다 유방암이 2.1% 유의하게 더 높았다. 폐경 여부에 따라 폐경 후가 폐경 전 보다 유방암이 1.7% 더 많았다. 연령과 음주 빈도를 동시에 보정하였을 때 대상자는 폐경 후에 비해 전에서 유방암이 0.03배 유의하게 낮았다. 이상의 결과로 44세 이하의 폐경한 젊은 여성의 유방암 관리에 많은 관심을 가져야 할 것이며, 지속적으로 증가하고 있는 유방암 유병률을 감소시키기 위한 다학제간의 노력이 필요하다.

• Journal of Chest Surgery
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• 제16권1호
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• pp.146-152
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• 1983

Hamartoma has been considered rare disease as a congenital malformation of a tumorous lesion since the original description by Albrecht in 1904. Pulmonary hamartoma is interesting to chest surgeon because of good result by surgical procedures and of slightly high incidence then another organs. It is characterized as lesion of very slow growing mass as peak incidence of age of 50 years age group and as sex ratio is 2:1. Especially endobronchial hamartoma is rarer than peripheral type. We had experienced a case of endobronchial hamartoma who has 53 years old male patient at right main bronchus and then treated by excision of tumor mass through right bronchotomy and preserving right lung except any lobectomy and pneumonectomy.

• 한방안이비인후피부과학회지
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• 제20권3호
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• pp.161-168
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• 2007

Objective and Methods : To study the prevalence and patterns of common dermatoses and compare these to previous reports, we reviewed 128 new outpatients who visited Allergy/Derma-cosmetic Clinic at Kyung Hee Neo Medical Center in Gang-Dong area of Seoul from January to June, 2007. Results : The results of this study are summarized as follows : 1. Among the 128 outpatients, the total number of male patients were 40(31.2%) and female patients were 88(68.8%). 2. In the age distribution, the most frequently visited age groups were 10-19 years old and 20-29 years old(each 21.1%). 3. The most common dermatoses were atopic dermatitis(27.3%), acne(14.1%), allergic contact dermatitis(11.7%), other eczemas(7.8%) and seborrheic dermatitis(7.0%). 4. Among atopic dermatitis patients, the most populated age groups were 0-9 years old and 10-19 years old(each 37.1%), these results are different from past studies revealing that 0-9 years old patients are dominant. 5. Among acne patients, the most frequent age groups were 20-29 years old(50%) and 30-39 years old(27.8%), these results are different from past studies revealing that 20-29 years old and 10-19 years old patients are dominant. 6. Among Allergic contact dermatitis patients, each age group showed no difference of population. And Allergic contact dermatitis patients visited outpatients department at early stage. Conclusion : This study shows that Oriental medicine is popular especially in atopic dermatitis, acne and allergic contact dermatitis. We should investigate long-period and multi-centered study in order to know prevalence tendency of dermatoses in Oriental Medicine. And it is nessessary to research using more efficient evaluation method and treatment for these special diseases.

• Imaging Science in Dentistry
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• 제46권1호
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• pp.1-7
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• 2016

Purpose: This study assessed the accuracy of age estimates produced by a regression equation derived from lower third molar development in a Thai population. Materials and Methods: The first part of this study relied on measurements taken from panoramic radiographs of 614 Thai patients aged from 9 to 20. The stage of lower left and right third molar development was observed in each radiograph and a modified Gat score was assigned. Linear regression on this data produced the following equation: Y=9.309+1.673 mG+0.303S (Y=age; mG=modified Gat score; S=sex). In the second part of this study, the predictive accuracy of this equation was evaluated using data from a second set of panoramic radiographs (539 Thai subjects, 9 to 24 years old). Each subject's age was estimated using the above equation and compared against age calculated from a provided date of birth. Estimated and known age data were analyzed using the Pearson correlation coefficient and descriptive statistics. Results: Ages estimated from lower left and lower right third molar development stage were significantly correlated with the known ages (r=0.818, 0.808, respectively, $P{\leq}0.01$). 50% of age estimates in the second part of the study fell within a range of error of ${\pm}1year$, while 75% fell within a range of error of ${\pm}2years$. The study found that the equation tends to estimate age accurately when individuals are 9 to 20 years of age. Conclusion: The equation can be used for age estimation for Thai populations when the individuals are 9 to 20 years of age.

• 대한치과보철학회지
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• 제9권1호
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• pp.35-40
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• 1969

The author measured vertical dimension of 675(326 of male and 349 of female) in normal Korean adult from 20 to 50 years of age between upper and lower muco-buccal fold on upper and lower central incisal portion at centric occlusion state. The following results were obtained.; 1) The distances from upper muco-buccal fold on upper anterior central incisal portion to lower muco-buccal fold on lower anterior central incisal portion at centric occlusion state were 37.57mm in male, 36.80mm in female and 37.19mm in average. The distances in male were longer than those of female. 2) According to increase age(from 20 to 50 years of age), the tendencies of vertical dimensional changes were increased slightly in 30~40 years group and decreased after 40 year in both sex. 3) The distances from upper muco-buccal fold on upper anterior central portion to upper central incisal edge were 20.77mm and from lower muco-buccal fold on lower anterior central incisal portion to lower central incisal edge were 18.88mm. The ratio between maxillary distances and mandibular distances was 1.4:0.9.

• Asian Pacific Journal of Cancer Prevention
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• 제14권3호
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• pp.2137-2139
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• 2013

Breast cancer is the most common cancer among females, worldwide, accounting for 22.9% of all cancers (excluding non-melanoma skin cancer) in females. Mammography is a sensitive (77-95%) and specific (94-97%) screening method for breast cancer. Previously, females between the 40-50 years old were recommended to have mammograms every one to two years. However, based on current evidence, in 2009, USPSTF recommended that the decision to start regular, biennial screening mammography for females younger than 50 years should be an individual decision and take patient context into account, including the patient's values regarding specific benefits and harms. This decision was based on findings regarding radiation exposure, false-positive and false-negative rates, over-diagnosis, and pain and psychological responses. The goal of this paper is to focus on evidence for updating the U.S. Preventive Services Task Force (USPSTF) recommendation against routine mammography for females between 40-49 years of age.

• 자원환경지질
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• 제9권3호
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• pp.127-134
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• 1976

The K-Ar age determined on six granitic rocks samples from the Eonyang- and the northwestern part of Ulsan-quardrangle, Kyeongsang-nam-do, Korea, ranges from $87{\times}10^6$ years to $58{\times}10^6$ years. Three of the samples belong to the upper Cretaceous ($87{\times}10^6-71{\times}10^6years$) and three to the late Cretaceous-early Tertiary ($63{\times}10^6-58{\times}10^6years$) in age. The early Tertiary ages are measured first on the "Younger Granites" in Korea. These two emplacement periods of granitic rocks are representative that the former is correlated to north Kyushu-Seto Inland belt ($95{\times}10^6-75{\times}10^6years$) and the later to Sanin-central Honshu belt ($65{\times}10^6-50{\times}10^6years$), in southwestern Japan.

• 치위생과학회지
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• 제21권4호
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• pp.260-266
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• 2021

Background: The purpose of the study was to evaluate the relationship and route of dental Social Media marketing by age group and support effective dental marketingy by age group. Methods: A study was conducted on 265 people, aged 20 to 64 years, who lived in Seoul, Gyeonggi area and regularly used one or more of the social media platforms, Naver Band, Facebook, Instagram, KakaoStory, Twitter, or YouTube more than once a day. A 27-question questionnaire survey of approximately 10 minutes was conducted, and the collected data was statistically analyzed using the PASW program, with the significane level set to 0.05. Results: "Introduction of acquaintances" was the most common route to visit the dentist. Regarding the use of social media platforms based on age group, 'Instagram' had the highest frequency among people belonging to the age groups of 20 to 29 years and 30 to 39 years; 'YouTube' had the highest frequency among those aged 40 to 49 years; and 'Naver Band' had the highest frequency among those aged 50 to 65 years. Conclusion: The most frequently used social media by consumers according to age included Facebook, YouTube, and Instagram. However, social media was found to have no significant impact on the choice of dental institutions, as the number of people who visited the dentist through "Introduction of acquaintances" was the highest, and "Introduction of acquaintances" did not have experience accessing the dentist site after dental marketing. If this study could provide customized marketing information for each age group through social media, it is expected that the marketing effect of dental institutions through social media would be maximized in the future.

• 한국식품영양학회지
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• 제30권2호
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• pp.345-355
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• 2017

The purpose of this study is to provide basic data for the development direction and strategy for medicines through analysis of differences in choice attributes according to customers awareness of medicines and experience. In order to achieve the purpose of this study, a questionnaire survey was conducted on dietary education among national network trainees and lecturers by the Ministry of Food, Agriculture, Forestry and Livestock in Daegu, Gyeongsan, and Ulsan, Seoul from December 5, 2016, respectively. First, factor analysis results showed that six factors were extracted with respect to the choice of the restaurant. Second, the difference in each factor according to the recognition and experience of medicinal herbs was the health related factor as sex, females, age 50~59 years, companion others, and publicity and advertising' factors were more important for publicity and advertisement when the gender was female, the customer's age was 40~49 years, the companion was other, and the time of use was during the weekend. Among the factors related to 'getting dressed', the more important gender was female, age 40~49 years, and the other partner, The factors related to 'time' were as follows: sex, age, age 20~29 years, no accompanying companions, no time of use, and time importance. The 'menu' factors were more important for men, gender, women, age 40~49 years, companion for guitar, and usage time for weekend dinner. The 'service' factors were more important in 'service' as sex, male age, age 20~29, companion family, usage time, and weekend dinner.

• Asian Pacific Journal of Cancer Prevention
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• 제15권1호
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• pp.281-286
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• 2014

Background: Breast cancer is the most frequent malignancy of women worldwide. In Iraq, breast cancer ranks first among cancers diagnosed in women but no studies have been conducted on incidence trends. The present study of breast cancer in the country during 2000-2009 was therefore performed. Materials and Metbods: The registered data for breast cancer cases were collected from the Iraqi Cancer Registry/Ministry of Health. The significance of incidence rate trends during 2000-2009 was tested using Poisson regression. Age-standardized rates (ASR), and age-specific rates per 100,000 population were calculated. ResultS" A total of 23,792 incident breast cancer cases were registered among females aged ${\geq}15$ years, represented 33.8% of all cancers in females registered during 2000-2009. It ranked first in all the years. The median age at diagnosis was 49 and the mean age was 52 years. The incidence rate of all female breast cancer in Iraq (all ages) increased from 26.6 per 100,000 in 2000 to 31.5 per 100,000 in 2009 (APC=1.14%, p<.0001). The incidence in age groups (40-49), (50-59) and (70+) increased in earlier years and has recently (2005-2009) become stable. The incidence in age group (60-69) did not decline since 2003, while the incidence rates in the age group (15-39) started to decline in 2004. Conclusions' With the Iraqi Cancer Registry data during the period 2000-2009, the incidence of all female breast cancer in Iraq (all ages) has risen. We found rapid increase in the age specific incidence rate among age group 60-69. However, breast cancer among Iraqi women still affects younger age groups than their counterparts in developed countries. Further epidemiological research is needed to examine possible causes and prevention measures.