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Peter Ka-Fung Chiu,Jeremy Yuen-Chun Teoh,Wai-Man Lee,Chi-Hang Yee,Eddie Shu-Yin Chan,See-Ming Hou,Chi-Fai Ng 대한비뇨의학회 2016 Investigative and Clinical Urology Vol.57 No.5
Purpose: We investigated the extended use of Prostate Health Index (PHI) and percentage of [-2]pro-prostate-specific antigen (%p2PSA) in Chinese men with prostate-specific antigen (PSA) 10–20 ng/mL and normal digital rectal examination (DRE). Materials and Methods: All consecutive Chinese men with PSA 10–20 ng/mL and normal DRE who agreed for transrectal ultrasound (TRUS)-guided 10-core prostate biopsy were recruited. Blood samples were taken immediately before TRUS-guided prostate biopsy. The performances of total PSA (tPSA), %free-to-total PSA (%fPSA), %p2PSA, and PHI were compared using logistic regression, receiver operating characteristic, and decision curve analyses (DCA). Results: From 2008 to 2015, 312 consecutive Chinese men were included. Among them, 53 out of 312 (17.0%) men were diagnosed to have prostate cancer on biopsy. The proportions of men with positive biopsies were 6.7% in PHI<35, 22.8% in PHI 35–55, and 54.5% in PHI>55 (chi-square test, p<0.001). The area under curves (AUC) of the base model including age, tPSA and status of initial/repeated biopsy was 0.64. Adding %p2PSA and PHI to the base model improved the AUC to 0.79 (p<0.001) and 0.78 (p<0.001), respectively, and provided net clinical benefit in DCA. The positive biopsy rates of Gleason 7 or above prostate cancers were 2.2% for PHI<35, 7.9% for PHI 35–55, and 36.4% for PHI>55 (chi-square test, p<0.001). By utilizing the PHI cutoff of 35 to men with PSA 10–20 ng/mL and normal DRE, 57.1% (178 of 312) biopsies could be avoided. Conclusions: Both PHI and %p2PSA performed well in predicting prostate cancer and high grade prostate cancer. The use of PHI and %p2PSA should be extended to Chinese men with PSA 10–20 ng/mL and normal DRE.
Factors influencing school connectedness: Chinese adolescents' perspectives
Mantak Yuen,Patrick S. Y. Lau,Queenie A. Y. Lee,Norman C. Gysbers,Raymond M. C. Chan,Ricci W. Fong,Y. B. Chung,Peter M. K. Shea 서울대학교 교육연구소 2012 Asia Pacific Education Review Vol.13 No.1
This study explored the concept of school connectedness and the factors that may influence its development with a sample of Chinese adolescents. Six focus groups involving 52 high school students were conducted using a set of predetermined discussion topics. Results indicated that the students fully understood the notion of school connectedness and could identify a number of key influences affecting its development. These factors could be grouped under several domains including teacher care, peer relations, broader school relationships, school disciplinary policies and practices, activities within the school's guidance and counseling program, and opportunities for talent development. The students were also able to suggest practical strategies that schools might introduce to enhance and strengthen students' acquisition of connectedness to school. The implications from the findings are discussed with particular reference to implementing comprehensive school guidance and counseling program in Hong Kong.
TeenACE Literacy : Pilot Study In Hawai'i
Dowrick, Peter W.,Yuen, JoAnn W. L. 국립특수교육원 2006 The Asia-Pacific Journal of Inclusive Education Vol.3 No.-
The learning traditions of many immigrant communities conflict with instruction practiced in the majority of US schools. We developed the TeenACE Reading and Writing program for Pacific region literacy needs. A 2-month pilot test with English language learners (ELLs) with educational disabilities compared TeenACE with instruction-as-usual (ten 9th graders in each condition). TeenACE students made gains in all areas of literacy, and in attitudes towards education, as shown by quantitative tests and case studies. We conclude that disadvantages for ELLs with disabilities may be offset by cultural considerations, including picture-based storytelling, plus the use of multimedia technology.
Molecular and clinical characteristics of hepatitis B virus in Korea
Ahn, Sang Hoon,Yuen, Lilly,Han, Kwang-Hyub,Littlejohn, Margaret,Chang, Hye Young,Damerow, Hans,Ayres, Anna,Heo, Jeong,Locarnini, Stephen,Revill, Peter A. Wiley Subscription Services, Inc., A Wiley Company 2010 Journal of Medical Virology Vol.82 No.7
<P>Korea is an endemic area of hepatitis B virus (HBV) infection but very little is known about the molecular characteristics of HBV isolates from Korean patients or the association with disease progression. The complete HBV genome sequences from 53 Korean patients with chronic hepatitis B, advanced cirrhosis, or hepatocellular carcinoma (HCC) were analyzed to identify (i) subgenotype distribution and genetic diversity and (ii) signature mutations associated with liver disease progression. With the exception of 1 patient infected with HBV/B, all 52 patients (98.1%) were infected with HBV/C, subgenotype C2. These strains were 98.4% identical and the frequency of amino acid substitutions occurring within key immunological epitopes increased with disease severity. A number of amino acid/nucleotide substitutions were associated with HCC, namely sR24K (HBsAg), SI126T (HBsAg), and pcA1846T (precore gene) mutations (P = 0.029, 0.001, and 0.008, respectively). HBV harboring deletions in the pre-S region were also associated with increased liver disease severity (chronic hepatitis B vs. cirrhosis, P = 0.040; chronic hepatitis B vs. HCC, P = 0.040). Despite the high degree of sequence conservation, several key HBV mutations were associated with disease progression. Prospective studies with larger cohorts of patients are required to evaluate further the clinical manifestation of HBV/C2 in Korea. J. Med. Virol. 82: 1126–1134, 2010. © 2010 Wiley-Liss, Inc.</P>
( Mark S. Sulkowski ),( Henry Lik Yuen Chan ),( Jordan J. Feld ),( Kosh Agarwal ),( Christophe Hezode ),( Tarik Asselah ),( Peter J. Ruane ),( Norbert Gruener ),( Armand Abergel ),( Alessandra Mangia 대한간학회 2016 춘·추계 학술대회 (KASL) Vol.2016 No.1
Background: Velpatasvir (VEL) is a pangenotypic HCV-NS5A inhibitor. This Phase 3 study evaluated treatment with a fixed dose combination of SOF/VEL for 12 weeks in patients with genotype 1, 2, 4, 5, or 6 HCV infection. Methods: Patients with genotype 1, 2, 4, or 6 chronic HCV infection were randomized 5:1 to received SOF/VEL (400 mg /100 mg daily) or placebo for 12 weeks. Patients with genotype 5 infection were enrolled to the SOF/VEL treatment group and patients with genotype 3 were evaluated in a separate study. Results: 740 patients were enrolled at 81 international sites: 60% male, 79% white, 32% treatment-experienced (TE), and 19% compensated- cirrhosis. Of the 624 patients treated with SOF/VEL, the genotype distribution was 53% GT1, 17% GT2, 19% GT4, 6% GT5 and 7 % GT6. Overall SVR12 for SOF/VEL-treated patients was 99.0% and the study met its primary efficacy endpoint. SVR12 rates by HCV genotype are presented in the table. Two of 328 patients (0.6%) with genotype-1 infection had virologic relapse. No patients with genotype 2, 4, 5, or 6, including 48 with cirrhosis, had virologic failure. Four patients did not achieve SVR12 for non-virologic reasons. AEs and laboratory abnormalities were similar in the SOF/VEL-treated patients compared with the 116 placebo-treated patients. One patient discontinued SOF/VEL treatment due to adverse-events. Conclusions: Treatment with the once daily, all-oral, single tablet regimen of SOF/VEL for 12 weeks is well tolerated and results in high SVR12 rates in treatment-naive and treatment-experienced genotype 1, 2, 4, 5, and 6 HCV-infected patients with and without cirrhosis.