Trajectory of severity of postoperative delirium symptoms and its prospective association with cognitive function in patients with gastric cancer: results from a prospective observational study.

Purpose: Delirium is a common neurocognitive complication in cancer. Despite this, the studies examining the trajectory of the severity of delirium symptoms and its impact on health outcome in gastric cancer is rather limited. This study examined the trajectory of delirium symptom severity (DSS) following resection surgery for gastric cancer and its prospective association with cognitive function.

A longitudinal analysis of the relationships among daytime dysfunction, fatigue, and depression in college students.

Objective: To examine the longitudinal trajectory of daytime dysfunction (DD) and its relationship with fatigue by depression status in university students.

Participants: 243 students completed online surveys from September- December 2016.

Methods: Surveys were conducted at three time points over a semester period: the beginning of the semester, the end of mid-term and the end of the semester.

Modeling quality of life in patients with rheumatic diseases: the role of pain catastrophizing, fear-avoidance beliefs, physical disability, and depression.

Purpose: To examine factors in the fear-avoidance model, such as pain, pain catastrophizing, fear-avoidance beliefs, physical disability, and depression and their relationships with physical and psychological quality of life in patients with rheumatic diseases.

Materials And Methods: The data were obtained from 360 patients with rheumatic diseases who completed self-report measures assessing study variables. Structural equation modeling was used to examine the hypothesized relationships among factors specified in the fear-avoidance model predicting physical and psychological quality of life.

Measuring stress in medical education: validation of the Korean version of the higher education stress inventory with medical students.

Background: Medical students face a variety of stressors associated with their education; if not promptly identified and adequately dealt with, it may bring about several negative consequences in terms of mental health and academic performance. This study examined psychometric properties of the Korean version of the Higher Education Stress Inventory (K-HESI).

Methods: The reliability and validity of the K-HESI were examined in a large scale multi-site survey involving 7110 medical students.