• Title/Summary/Keyword: multiple linear regression analyses

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Significance of Early Visual Responses to Anti-Vascular Endothelial Growth Factor in Age-related Macular Degeneration (신생혈관 연령관련황반변성에서 항혈관내피세포성장인자 주입술 시행 후 시력 반응의 의의)

  • Song, Hee Jun;Yang, Ji Ho;Kim, Do Gyun
    • Journal of The Korean Ophthalmological Society
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    • v.59 no.11
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    • pp.1030-1038
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    • 2018
  • Purpose: To evaluate whether early visual acuity response at 4 weeks after the first intravitreal anti-vascular endothelial growth factor (VEGF) injection or 4 weeks after the third injection in neovascular age-related macular degeneration (nAMD) is associated with 12-month follow-up outcome. Methods: Thirty treatment-naive patients (30 eyes) with nAMD, treated with intravitreal anti-VEGF, were retrospectively included. Initially, all patients were injected at least three times for three consecutive months and followed up with a pro re nata regimen for at least 12 months. The relationship between 4 weeks after the first and third anti-VEGF injections in visual acuity response was explored, including the mean change from baseline in best-corrected visual acuity (BCVA). The mean change in BCVA was classified into three groups according to visual improvement: <1, 1-<3, or ${\geq}3$ logMAR line(s) in BCVA. The associations among baseline characteristics (gender, age, duration of symptoms, initial BCVA, central macular thickness, and intraocular pressure) and visual acuity responses 4 weeks after the first and third anti-VEGF injections were also assessed. Results: The proportions of eyes with <1, 1-<3, and ${\geq}3-line(s)$ improvement at 4 weeks after the first injection were 6 eyes (20%), 7 eyes (23.3%), and 17 eyes (56.6%), respectively. The proportions of eyes with <1, 1-<3, and ${\geq}3-line(s)$ improvement at 4 weeks after the third injection were 9 eyes (30%), 9 eyes (30%), and 12 eyes (40%), respectively. A BCVA response ${\geq}3-lines$ improvement at 4 weeks after the third injection showed significant associations with ${\geq}3-line(s)$ improvement and BCVA response at 12 months in multiple logistic and linear regression analyses (p = 0.04). Conclusions: In this study, BCVA response ${\geq}3-lines$ improvement at 4 weeks after the third injection showed a significant association with ${\geq}3-line(s)$ improvement and BCVA response at 12 months.

Personality Characteristics Predicting Depression, Anxiety and Resilience in the Graduate Medical Students (의학전문대학원 학생들의 우울, 불안, 회복력과 연관된 성격 특징)

  • Wee, Sung-Hoon;Lee, So-Jin;Park, Chul-Soo;Kim, Bong-Jo;Lee, Cheol-Soon;Cha, Boseok;Lee, Dongyun;Seo, Ji-Yeoung;Choi, Jae-Won;Ahn, In-Young
    • Korean Journal of Psychosomatic Medicine
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    • v.26 no.2
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    • pp.102-111
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    • 2018
  • Objectives : This study aimed to investigate the relationship between personality characteristics of medical students at their admission and the level of depression, anxiety, and resilience at their third year. Methods : Self-reported questionnaires were conducted to the students at the beginning of the first year and the third year. When the students in their first year, they performed the personality assessment inventory, the Beck depression inventory, and the Beck anxiety inventory. When they were in the third year, the students answered the composite Scale of morningness and Conner-Davidson resilience scale-10 in addition to the BDI and BAI. Multiple linear regression analyses were performed to identify predictors of the level of depression, anxiety, and resilience. Results : Of the subscales of depression in the PAI, the physiological depression (${\beta}=-0.285$, p=0.049) associated with increase in the depression from the first to the third year. Among the anxiety-related disorder subscale in the PAI phobia (${\beta}=0.119$, p=0.022) and traumatic stress (${\beta}=0.375$, p=0.007) associated with the level of depression at third grade. Somatization (${\beta}=0.631$, p<0.001) in the PAI associated with the level of anxiety at third year. The anxiety (${\beta}=-0.531$, p<0.001) in the PAI was positive associated with the resilience at third grade. Conclusions : This study showed that certain personality characteristics at admission had significant relationships with the level of depression, anxiety, and resilience at the third grade medical students.

Nutritional Status and Health Risks of Low Income Elderly Women in Gwangju Area (광주지역 저소득층 여자노인의 영양상태와 건강위험요인에 관한 연구)

  • Yang, Eun-Ju;Bang, Hee-Myung
    • Journal of Nutrition and Health
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    • v.41 no.1
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    • pp.65-76
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    • 2008
  • This study was performed to identify association between nutritional status and health risks of the elderly. This was a cross-sectional study involving low income elderly women in Gwangju, Korea (${\geq}$65y, n = 92). Socio-demographics, life style characteristics, health conditions, dietary intakes based on 24h-recall method, anthropometric measures, and clinical biochemistry parameters were examined. Anthropometric and clinical parameters included wt, ht, waist, hip, body protein, body fat, abdominal fat, total cholesterol, HDL-cholesterol, triglyceride, total protein, albumin, hemoglobin, hematocrit, fasting blood glucose, ferritin, IL-2, IL-6, TNF-${\alpha}$, CRP, TAS, TBARS, systolic blood pressure, and diastolic blood pressure. The subjects were divided into three groups based on age (65-74y, 75-84y, 85y${\leq}$) and were divided into two groups according to the sum of the Nutrition Screening Initiative (NSI) checklist score (adequate nutritional status, NSI score ${\leq}$3; at risk of malnutrition, NSI score >3). Mean and frequency of variables were estimated. Analysis of Variance, Tukey test, Chi-square test, and Multiple linear regression analyses were performed. Mean BMI and body fat were 25.1 $kg/m^2$ and 40.0%, respectively. However, for over 80% of subjects, the intakes of energy, fiber, thiamin, riboflavin, niacin, folate, Ca, K, and Zn were less than the Korean DRI (EAR or AI). The subjects who had lower NSI score tended to have better health status, eat meals frequently, have less depression, and exercise regularly. The subjects who had higher NSI score tended to have tooth problems, to eat alone most of time, and to be physically unable to cook or feed. Serum IL-6 and TNF-${\alpha}$ were significantly related with nutritional status which suggested higher tendency of inflammatory response. Serum IL-2, TAS, and glucose were significantly correlated with body fat (%) or abdominal fat (%). These results suggest that improving the nutritional status, increasing regular exercise, maintaining normal weight are beneficial to health care of low income elderly women.