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서민아,최귀선,박보영,이윤영,전재관,이덕형,김열 대한암학회 2016 Cancer Research and Treatment Vol.48 No.1
Purpose The Korean National Cancer Screening Survey (KNCSS), a nationwide cross-sectional survey, has been conducted annually since 2004. The current study was conducted to report on the trends in screening rates among Korean men and women, and to evaluate policies regarding cancer screening programs implemented to reduce the burden of cancer. Materials and Methods The current study used KNCSS data. The eligible study population included men aged 40-74 years and women aged 30-74 years with no cancer history. The lifetime screening rate, screening rate with recommendation, and changes in annual rates were calculated for five major cancers (i.e., stomach, liver, colorectal, breast, and cervix uteri). Results The screening rates with recommendation increased by 4.2% (95% confidence interval [CI], 3.7% to 4.8%) annually for stomach cancer, 1.2% (95% CI, 0.1% to 2.4%) for liver cancer, 3.0% (95% CI, 1.8% to 4.1%) for colorectal cancer, 3.7% (95% CI, 2.7% to 4.8%) for breast cancer, and 1.3% (95% CI, 0.8% to 1.8%) for cervical cancer. In 2013, the screening rates with recommendation for stomach, liver, colorectal, breast, and cervical cancers were 73.6%, 33.6%, 55.6%, 59.7%, and 67.0%, respectively. Conclusion Both the lifetime screening rates and screening rates with recommendation for the five above-mentioned cancers increased annually from 2004 to 2013.
서민아,김호현,손명현,김규언,김창수,신동천 대한의학회 2011 Journal of Korean medical science Vol.26 No.3
The purpose of this study was to investigate the nationwide prevalence of childhood asthma, eczema and other allergic diseases in Korean school-age children (8-11 yr old) and to assess the difference between residential areas. Among 6,279 elementary schools, 427schools were randomly selected according to residential area (metropolitan, provincial,rural, and industrial area) by the cluster sampling method. Parents of students completed a modified Korean version of a questionnaire formulated by the International Study of Asthma and Allergies in Childhood (ISAAC). Among 50,200 subjects, 31,026 (61.8%)responded, and 30,893 (99.6%) were analyzed. The 12-month prevalence of wheeze,flexural rash, and allergic rhinitis symptoms were 4.8%, 15.3%, and 32.9%, respectively. The prevalence of diagnosis of allergic diseases in boys was higher than that in girls, with the exception of eczema. In both boys and girls, the difference of the prevalence of allergic diseases among industrial, metropolitan and provincial areas was not statistically significant, but the differences between rural area and other areas were significant. Our results support the importance of contextual effect associated with residential area as causative agents of allergic diseases among Korean school-age children.
서민아,최귀선,이윤영,전재관 대한암학회 2013 Cancer Research and Treatment Vol.45 No.2
Purpose The Korean National Cancer Screening Survey (KNCSS), a nationwide, annual crosssectional survey, has been conducted since 2004. The current study was conducted in order to report on trends in cancer screening rates for five types of cancer (stomach,liver, colorectal, breast, and cervix uteri). Materials and Methods KNCSS data were collected between 2004 and 2012. The eligible study population included cancer-free men who were 40 years of age and older and women who were 30 years of age and older. The lifetime screening rate, screening rate with recommendation,and changes in annual rates were calculated. Results Lifetime screening rates and screening rates with recommendation for the five types of cancer rose steadily until 2010, showed a slight drop or were stable in 2011, and increased again in 2012. On average, screening rates with recommendation have shown annual increases of 4.3% (95% confidence interval [CI], 3.6 to 5.0%) for stomach cancer, 0.8% (95% CI, –0.5 to 2.1%) for liver cancer, 2.4% (95% CI, 1.3 to 3.5%)for colorectal cancer, 4.5% (95% CI, 3.9 to 5.1%) for breast cancer, and 1.3% (95%CI, 0.6 to 2.0%) for cervical cancer. Disparities in age groups and household incomes have been decreasing since 2004. Conclusion Cancer screening rates in Korea showed a significant increase from 2004 to 2012,and screening rates for gastric and breast cancer are now approaching 70%. The 10-Year Plan for Cancer Control target for screening rates was met or nearly met for all cancer types examined, with the exception of liver and colorectal cancer.
Focusing of Terahertz Waves onto Micron-sized Slits Grown on ZnTe and GaP Substrates
서민아,H. R. Park,박두재,A. J. L. Adam,P. C. M. Planken,김대식 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.55 No.1
We report on terahertz focusing through rectangular slit apertures on thin metal film by using terahertz time domain spectroscopy both in the far- and in the near-field. Our experiments show that far-field perfect transmission is maintained in the rectangular slit array even as the aperture coverage decreases. Near-field imaging supports the field enhancement in the single rectangular aperture indeed occurring at a frequency equal to the fundamental shape resonance frequency.