Introduction There is no consensus on the best methodology to apply evidence-based practice principles to develop a systematic approach to improve critical appraisal or research design evaluation skills in advanced education journal clubs. Methods We implemented a tool-based approach for our pediatric dentistry residents’ journal club centered on the use of a study quality assessment tool, the Timmer scale. The tool consisted of 19 standard questions that evaluated the research methodology, data collection, statistical analysis, and reporting of the findings of each article. Learners first underwent a 4-hour training session on study quality assessment. They were then assigned to read articles from monthly issues of core journals and appraised the quality of each article using the Timmer scale and submitted their scores in advance of the group session. Then, during a 1-hour journal club, the group came to a consensus on the Timmer scale score, and group and individual scores were compared to the course director's scores as prompts for feedback and further discussion. Results Over 3 years, 24 pediatric dentistry residents participated in the course. A noticeable improvement in the pediatric dentistry residents’ performance was noticed, with the discrepancy between their scores and group scores improving over time. Discussion Using a quality assessment tool in journal clubs appeared to improve the residents’ ability to critically assess articles in a systematic way. Additionally, the tool was useful for assessing residents’ performance over time.
Cardiovascular diseases (CVD) are the leading cause of death in the United States. The previous literature demonstrates the importance of vitamin D for overall health, and a significant body of literature has examined the benefits of optimal serum 25-hydroxyvitamin D [25(OH)D] on cardiovascular health, but the results remain inconclusive. The objective of this study was to determine the association between reported CVD and [25(OH)D]. We utilized the 2015–2018 National Health and Nutrition Examination Survey and included adults aged 20 years and older (n = 9825). CVD was defined as having a stroke, heart attack, heart failure, or coronary heart disease. Vitamin D status was categorized as a serum 25(OH)D deficiency at <30 nmol/L; insufficiency at 30 to 49.9 nmol/L; normal/optimal at 50 to 125 nmol/L; and adequacy at >125 nmol/L. Statistical analysis was performed using Chi-square tests, t-tests were conducted to investigate the differences in participant characteristics among those with CVD and without CVD, and regression models were used to explore the association between vitamin D levels and CVD status. We found 25(OH)D deficiency associated with CVD (Adjusted Odds Ratio (AOR) = 1.48; 95% CI = 1.11–1.98; p < 0.05). [25(OH)D] insufficiency was also associated with CVD (AOR = 1.28; 95% CI = 1.06–1.54; p < 0.05). The 25(OH)D adequacy was not associated with reported CVD. For the prevention of CVD, healthcare professionals may recommend the use of vitamin D supplementation to improve cardiovascular health in adults while considering individual needs.
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