Unplanned excision of extremity soft tissue sarcoma (STS) is common and has detrimental effects not only on patients' oncologic outcomes but also on functional and economic issues. However, no study has analyzed a nationwide population-based database. To estimate the incidence and treatment pattern of unplanned excision in extremity STS in the Korean population, a nationwide epidemiologic study...

Late referral of patients with chronic kidney disease (CKD) and unforeseeable deterioration of residual renal function in known CKD patients remain a major problem leading to the need of unplanned start on chronic dialysis without a mature access for dialysis. In most centres worldwide, these patients are started on haemodialysis (HD) using a temporary tunnelled central venous catheter (CVC) fo...

Of paramount importance in the study of cognitive diagnostic assessment (CDA) is the absence of tests developed for small-scale diagnostic purposes. Currently, much of the research carried out has been mainly on large-scale tests, e.g., TOEFL, MELAB, IELTS, etc. Even so, formative language assessment with a focus on informing instruction and engaging in identification of student’s strengths and...

INTRODUCTION The reoperation is considered as the access to the abdominal cavity before complete healing of the surgical wound from a previous operation within the first 60 days after the first procedure. It occurs in 0.5 to 15% of patients undergoing abdominal surgery and generates significant increase in morbidity and mortality in patients undergoing abdominal surgery. OBJECTIVES Identify t...

CONTEXT Current debates on how to reduce the high U.S. abortion rate often fail to take into account the role of unintended pregnancy, an important determinant of abortion. METHODS Data from the 1982, 1988 and 1995 cycles of the National Survey of Family Growth, supplemented by data from other sources, are used to estimate 1994 rates and percentages of unintended birth and pregnancy and the p...

Though very often quantitative problem solving is accentuated in physics instruction, psychological as well as educational research indicates that this emphasis is misleading. In an experimental study, we compared physics instruction with a focus on quantitative problem solving to physics instruction with a focus on qualitative problem solving. Initially, students were taught quantitative as we...