Grace Ahn

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OBJECTIVE Fatigue is a common symptom in systemic lupus erythematosus (SLE), and engaging in physical activity may reduce fatigue. We aimed to characterize relationships between fatigue, other health status measures assessed with the Patient Reported Outcomes Measurement Information System (PROMIS) instruments, and accelerometer-based physical activity(More)
Systemic lupus erythematosus is a chronic inflammatory autoimmune disease often characterized by fatigue, with significant effects on physical functioning and wellbeing. The definition, prevalence and factors associated with fatigue, including physical activity, obesity, sleep, depression, anxiety, mood, cognitive dysfunction, vitamin D(More)
Prior history of trauma may sensitize individuals to subsequent trauma, including terrorist attacks. Using a convenience sample of secondary, cross-sectional data, pregnant women were grouped based on lifetime interpersonal violence history. Cumulative risk theory was used to evaluate the association of lifetime interpersonal violence history and subjective(More)
Everyday countless human errors occur around the globe. Although many of these errors are harmless, disastrous errors-such as Bhopal, Chernobyl, and Three Mile Island-demonstrate that developing ways to improve human performance is not only desirable but crucial. Considerable research exists in human-error identification (HEI), a field devoted to developing(More)
OBJECTIVE Most estimates of physical activity (PA) patterns in systemic lupus erythematosus (SLE) are based on subjective self-report measures prone to error. The aims of this study were to obtain objective measurements of PA using an accelerometer and estimates of energy expenditure based on the self-reported International Physical Activity Questionnaire(More)
Herpes zoster ophthalmicus is a known complication of herpes zoster and the most common manifestation of cranial zoster, accounting for a significant number of zoster cases. An uncommon but serious complication of herpes zoster ophthalmicus is zoster meningoencephalitis. The exact incidence of herpes zoster meningoencephalitis is not known; in 1 series,(More)
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