scholarly journals Potentially inappropriate testing for vitamin D deficiency: a cross-sectional study in Switzerland

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Stefan Essig ◽  
Christoph Merlo ◽  
Oliver Reich ◽  
Maria Trottmann
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Urban Areas ◽  
Adult Population ◽  
Vitamin D Supplementation ◽  
Sample Population ◽  
Laboratory Cost ◽  
Swiss Health ◽  
Vitamin D Levels ◽  
Medical Indications

Abstract Background There is consensus that vitamin D supplementation is often indicated but population-based screening by laboratory testing for vitamin D deficiency is inadequate. Testing should be restricted to people at high risk of severe deficiency. This study describes the current lab testing for vitamin D deficiency in the adult population of Switzerland. Methods We assessed Swiss health insurance data (SWICA) for incidence of lab testing for vitamin D levels, comparing the years 2015 and 2018. Claims were analyzed for associations between lab testing and age, sex, medical indications, insurance status and geographic location in multivariable regression analyses. We also estimated the costs of vitamin D testing. Results Data from 200,043 and 200,046 persons for 2015 and 2018, respectively, were analyzed. Vitamin D level was tested in 14% of the sample population in 2015 and 20% in 2018. Testing increased by 69% for individuals aged 26–30. Testing was associated with being middle-aged to young senior citizens, female, medical indications (pregnancy, renal disease, osteoporosis, hyperparathyroidism, HIV, glucocorticoid intake), more chronic conditions, having a mandatory insurance with a low deductible, additional insurance coverage, and living in urban areas. We estimate that the total laboratory cost to mandatory insurance was about 90 million Swiss francs in 2018. Conclusions Despite recommendations for routine vitamin D supplementation, vitamin D testing of low risk individuals is common and increasing in Switzerland.

Vitamin D status in preschool children: should vitamin D supplementation, preventing vitamin D deficiency be continued in children over 2 years?

2018 ◽  
Vol 41 (3) ◽  
pp. 575-582 ◽  
Author(s):  
M R Esmaeili dooki ◽  
L Moslemi ◽  
A A Moghadamnia ◽  
M Alijanpour Aghamaleki ◽  
A Bijani ◽  
...  
Keyword(s):  
Vitamin D ◽  
Preschool Children ◽  
Vitamin D Deficiency ◽  
Urban Areas ◽  
Demographic Data ◽  
Linear Regression Analysis ◽  
Total Body Surface Area ◽  
Vitamin D Supplementation ◽  
Northern Iran ◽  
Vitamin D Levels

Abstract Background The aim of this study was to determine the prevalence of vitamin D deficiency among preschool children in rural and urban areas of Northern Iran and need for continuing vitamin D supplementation after 2 years of age. Method A sample of 406 children aged 30–72 months was selected from health centres. Serum levels of 25-hydroxyvitamin D (25OHD), demographic data, anthropometric characteristics and total body surface area, were evaluated. Results Subnormal vitamin D levels were found in 68.94% (269) of children. In multiple logistic regression models, season (P = 0.001) and residency (P = 0.006) were significantly correlated with vitamin D deficiency. Multiple linear regression analysis revealed that age (β = −0.18, P < 0.001), body mass index (β = −1.1, P < 0.001) and sun exposure (β = 0.4, P < 0.001) were significantly associated with 25OHD level. Conclusion Owing to the high prevalence of subnormal vitamin D levels in preschool children, it is recommended that vitamin D deficiency prevention programs are continued in this age group.

scholarly journals To Supplement or not to Supplement? The Rationale of Vitamin D Supplementation in Systemic Lupus Erythematosus

2018 ◽  
Vol 12 (1) ◽  
pp. 226-247 ◽  
Author(s):  
Alessandra Nerviani ◽  
Daniele Mauro ◽  
Michele Gilio ◽  
Rosa Daniela Grembiale ◽  
Myles J. Lewis
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Lupus Erythematosus ◽  
Clinical Manifestations ◽  
Vitamin D Supplementation ◽  
Current Evidence ◽  
Systemic Lupus ◽  
Vitamin D Receptors ◽  
Vitamin D Levels

Background: Systemic Lupus Erythematosus (SLE) is a systemic autoimmune disease characterised by abnormal activation of the immune system, chronic inflammation and organ damage. Lupus patients are more prone to be vitamin D deficient. However, current evidence is not conclusive with regards to the role played by vitamin D in SLE development, progression, and clinical manifestations. Objective: Here, we will summarise the current knowledge about vitamin D deficiency prevalence, risk factors, molecular effects, and potential pathogenic role in SLE. We will focus on the link between vitamin D deficiency and lupus clinical manifestations, and on the clinical trials assessing the effects of vitamin D supplementation in SLE. Method: A detailed literature search was performed exploiting the available databases, using “vitamin D and lupus/SLE” as keywords. The relevant interventional trials published over the last decade have been considered and the results are reported here. Conclusion: Several immune cells express vitamin D receptors. Thus, an immunomodulatory role for vitamin D in lupus is plausible. Numerous observational studies have investigated the relationship between vitamin D levels and clinical/serological manifestations of SLE with contrasting results. Negative correlations between vitamin D levels and disease activity, fatigue, renal and cardiovascular disease, and anti-dsDNA titres have been described but not conclusively accepted. In experimental models of lupus, vitamin D supplementation can improve the disease. Interventional trials have assessed the potential therapeutic value of vitamin D in SLE, but further larger studies are needed.

scholarly journals Vitamin D and Atherosclerotic Cardiovascular Disease

2019 ◽  
Vol 104 (9) ◽  
pp. 4033-4050 ◽  
Author(s):  
Thomas F Hiemstra ◽  
Kenneth Lim ◽  
Ravi Thadhani ◽  
JoAnn E Manson
Keyword(s):  
Cardiovascular Disease ◽  
Vitamin D ◽  
General Population ◽  
Vitamin D Deficiency ◽  
Randomized Trials ◽  
Cardiovascular Health ◽  
Vitamin D Supplementation ◽  
High Dose ◽  
Atherosclerotic Cardiovascular Disease ◽  
Vitamin D Levels

Abstract Context A large body of experimental and observational data has implicated vitamin D deficiency in the development of cardiovascular disease. However, evidence to support routine vitamin D supplementation to prevent or treat cardiovascular disease is lacking. Design and Results A comprehensive literature review was performed using PubMed and other literature search engines. Mounting epidemiological evidence and data from Mendelian randomization studies support a link between vitamin D deficiency and adverse cardiovascular health outcomes, but randomized trial evidence to support vitamin D supplementation is sparse. Current public health guidelines restrict vitamin D intake recommendations to the maintenance of bone health and prevention of fractures. Two recently published large trials (VITAL and ViDA) that assessed the role of moderate- to high-dose vitamin D supplementation as primary prevention for cardiovascular outcomes in the general population had null results, and previous randomized trials have also been generally negative. These findings from general population cohorts that are largely replete in vitamin D may not be applicable to chronic kidney disease (CKD) populations, in which the use of active (1α-hydroxylated) vitamin D compounds is prevalent, or to other high-risk populations. Additionally, recent trials in the CKD population, as well as trials using vitamin D analogs, have been limited. Conclusions Current randomized trials of vitamin D supplementation do not support benefits for cardiovascular health, but the evidence remains inconclusive. Additional randomized trials assessing larger numbers of participants with low baseline vitamin D levels, having longer follow-up periods, and testing higher vitamin D dosages are needed to guide clinical practice.

scholarly journals P652 Underweight patients with Crohn’s disease and without vitamin D supplementation are at high risk of vitamin D deficiency

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S536-S537
Author(s):  
D Vranesic Bender ◽  
V Domislović ◽  
M Brinar ◽  
D Ljubas Kelečić ◽  
I Karas ◽  
...  
Keyword(s):  
Vitamin D ◽  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Vitamin D Deficiency ◽  
Vitamin D Supplementation ◽  
Lower Range ◽  
Total Study Population ◽  
Vitamin D Levels ◽  
Significant Difference ◽  
Underweight Patients

Abstract Background Vitamin D deficiency is frequently present in inflammatory bowel disease (IBD) with a higher incidence in Crohn’s disease (CD) than in ulcerative colitis (UC). Given the involvement of the alimentary tract, many factors can contribute to vitamin D deficiency. The aim of the study was to investigate the association of vitamin D deficiency according to body mass index (BMI) in adult patients with IBD. Methods A cross-sectional study was conducted on a cohort of 152 IBD patients, 68.1% (n = 104) CD and 31.9% (n = 48) UC. The mean age of the total study population was 37.3±11.8 years and 57.3% (n = 87) were male. All patients were adult, Caucasian and without vitamin D supplementation. Patients were recruited during one year period. Results Out of all IBD patients, 60.5% (n = 92) had vitamin D deficiency, 32.2%, (n = 49) insufficiency and 7.2% (n = 11) sufficiency. According to BMI categories there were 12.5% (n = 19) obese patients, 27.6% (n = 42) overweight, 51.3% (n = 78) with normal body weight, and 8.6% (n = 13) underweight. There was a significant difference in vitamin D levels according to different BMI categories in terms of underweight patients having the lowest vitamin D levels; underweight 29.84±11.94 mmol/l, normal 46 ± 20.7 mmol/l, overweight 48±20.1 mmol/l, obese 51±15.3 mmol/l. In addition, there was a significant correlation of vitamin D levels and BMI values (Rho = 0.212, 95% CI 0.069–0.345, p = 0.004), which was more clearly observed in the lower range of BMI values (Figure 1). Male underweight patients had lower levels of vitamin D compared with female patients (26.6 ± 9 vs. 34.7 ± 5.6, p &lt; 0.05). Both patients with CD and UC had significant positive correlation of vitamin D levels and BMI values (UC Rho=0.40, 95% CI 0.16–0.59, p = 0.001, UC Rho = 0.27, 95% CI 0.01–0.05, p = 0.044). However, when comparing vitamin D levels according to phenotype, a significant difference in vitamin D levels was observed in underweight CD (28.4 ± 11.1) comparing to underweight UC patients (40.6 ± 10.6), p &lt; 0.05. In logistic regression analysis, CD phenotype was risk factor for vitamin D deficiency (OR 2.18 95% CI 1.01–4.72, β = 1.22, p = 0.04). Conclusion Our results on untreated IBD patients show a high proportion of vitamin D deficiency both in CD and UC, and significant correlation of vitamin D levels and BMI values, especially in the lower range of BMI values. Moreover, underweight CD patients have lower vitamin D levels comparing to UC. This suggests the need for regular vitamin D monitoring and supplementation especially in IBD patients at risk.

scholarly journals Vitamin D status and 3-month Glasgow Outcome Scale scores in patients in neurocritical care: prospective analysis of 497 patients

2018 ◽  
Vol 128 (6) ◽  
pp. 1635-1641 ◽  
Author(s):  
Jian Guan ◽  
Michael Karsy ◽  
Andrea A. Brock ◽  
Ilyas M. Eli ◽  
Gabrielle M. Manton ◽  
...  
Keyword(s):  
Vitamin D ◽  
Logistic Regression ◽  
Vitamin D Deficiency ◽  
Glasgow Outcome Scale ◽  
Neurocritical Care ◽  
Care Center ◽  
Hypovitaminosis D ◽  
Simplified Acute Physiology Score ◽  
Vitamin D Supplementation ◽  
Vitamin D Levels

OBJECTIVEVitamin D deficiency has been associated with a variety of negative outcomes in critically ill patients, but little focused study on the effects of hypovitaminosis D has been performed in the neurocritical care population. In this study, the authors examined the effect of vitamin D deficiency on 3-month outcomes after discharge from a neurocritical care unit (NCCU).METHODSThe authors prospectively analyzed 25-hydroxy vitamin D levels in patients admitted to the NCCU of a quaternary care center over a 6-month period. Glasgow Outcome Scale (GOS) scores were used to evaluate their 3-month outcome, and univariate and multivariate logistic regression was used to evaluate the effects of vitamin D deficiency.RESULTSFour hundred ninety-seven patients met the inclusion criteria. In the binomial logistic regression model, patients without vitamin D deficiency (> 20 ng/dl) were significantly more likely to have a 3-month GOS score of 4 or 5 than those who were vitamin D deficient (OR 1.768 [95% CI 1.095–2.852]). Patients with a higher Simplified Acute Physiology Score (SAPS II) (OR 0.925 [95% CI 0.910–0.940]) and those admitted for stroke (OR 0.409 [95% CI 0.209–0.803]) or those with an “other” diagnosis (OR 0.409 [95% CI 0.217–0.772]) were significantly more likely to have a 3-month GOS score of 3 or less.CONCLUSIONSVitamin D deficiency is associated with worse 3-month postdischarge GOS scores in patients admitted to an NCCU. Additional study is needed to determine the role of vitamin D supplementation in the NCCU population.

scholarly journals Is there a benefit of vitamin D supplementation in deficient children and adolescents suffering from obesity? A meta-analysis

QJM ◽  
2020 ◽  
Vol 113 (Supplement_1) ◽  
Author(s):  
M F Nassar ◽  
E K Emam ◽  
M F Allam
Keyword(s):  
Vitamin D ◽  
Children And Adolescents ◽  
Vitamin D Deficiency ◽  
Meta Analysis ◽  
Vitamin D Supplementation ◽  
Obese Children ◽  
Intramuscular Dose ◽  
Vitamin D Levels ◽  
Pubmed Search ◽  
Lower Vitamin

Abstract Background and objectives Both childhood obesity and vitamin D deficiency are common in the Middle East. This systematic review/meta-analysis aims to highlight the effect of vitamin D supplementation in deficient children suffering from obesity. Methods Published clinical studies on vitamin D supplementation in obese children and adolescents with vitamin D deficiency were identified through a comprehensive MEDLINE/PubMed search (from July 1966 to November 2017). Outcomes intended after vitamin D supplementation were improvements in vitamin D status, BMI alterations and appetite changes. The inclusion criteria were children aged 2 to 18 years of both sexes in clinical trials that specified the oral and/or intramuscular dose of vitamin D supplementation. Results Ten studies were retrieved, but only six were relevant. First, supplemented obese children and adolescents were compared to non-obese controls; thereafter, supplemented obese children and adolescents were compared to matching obese peers given placebo. Pooled risks from the two studies that evaluated the number of obese and non-obese children and adolescents who improved upon vitamin D supplementation revealed that obesity poses a risk for not benefiting from the vitamin D supplementation regardless of the dose and the duration of supplementation. Pooled results from the six retrieved studies that compared supplemented obese children and adolescents to matching non-obese or obese peers given placebo revealed significantly lower vitamin D levels in obese participants than in non-obese peers. Conclusion Vitamin D levels are significantly lower in obese children and adolescents with obesity, posing a risk for not benefiting from vitamin D supplementation regardless of the dose and duration of supplementation. Our results suggest that only with simultaneous weight adjustment strategies, vitamin D sufficiency would be achieved more effectively. Vitamin D supplementation in deficient children suffering from obesity.

scholarly journals High Prevalence of Vitamin D Deficiency Despite Supplementation in Premenopausal Women With Breast Cancer Undergoing Adjuvant Chemotherapy

2009 ◽  
Vol 27 (13) ◽  
pp. 2151-2156 ◽  
Author(s):  
Katherine D. Crew ◽  
Elizabeth Shane ◽  
Serge Cremers ◽  
Donald J. McMahon ◽  
Dinaz Irani ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Vitamin D ◽  
Black Women ◽  
Adjuvant Chemotherapy ◽  
Vitamin D Deficiency ◽  
White Women ◽  
Premenopausal Women ◽  
Vitamin D Supplementation ◽  
Mineral Density ◽  
Vitamin D Levels

Purpose Vitamin D deficiency is associated with increased breast cancer risk and decreased breast cancer survival. The purpose of this study was to determine the prevalence of vitamin D deficiency, as measured by serum 25-hydroxyvitamin D (25-OHD), in premenopausal women at initiation of adjuvant chemotherapy for breast cancer and after 1 year of vitamin D supplementation. Patients and Methods The study included 103 premenopausal women from the northeastern United States with stages I to III breast cancer who received adjuvant chemotherapy and participated in a 1-year zoledronate intervention trial. All patients were prescribed vitamin D3 (cholecalciferol) 400 IU and calcium carbonate 1,000 mg daily. At baseline and at 6 and 12 months, bone mineral density (BMD) measurements were obtained and blood was collected and analyzed in batches for serum 25-OHD. Vitamin D deficiency was defined as serum 25-OHD less than 20 ng/mL, insufficiency as 20 to 29 ng/mL, and sufficiency as 30 ng/mL or greater. Results At baseline, 74% of women were vitamin D deficient (median, 17 ng/mL). Vitamin D deficiency was slightly less common in white women (66%) compared with black (80%) and Hispanic (84%) women. After vitamin D supplementation for 1 year, less than 15% of white and Hispanic women, and no black women, achieved sufficient 25-OHD levels. Vitamin D levels did not correlate with baseline BMD and were not altered by chemotherapy or bisphosphonate use. Conclusion Vitamin D deficiency is highly prevalent in women with breast cancer. The current recommended dietary allowance of vitamin D is too low to increase serum 25-OHD greater than 30 ng/mL. Optimal dosing for bone health and, possibly, improved survival has yet to be determined.

scholarly journals Vitamin D status in adults and children in Transcarpathia, Ukrainein 2019

2020 ◽  
Author(s):  
Khrystyna Shchubelka
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Adult Population ◽  
Winter Season ◽  
Epidemiological Data ◽  
Adult Women ◽  
Vitamin D Levels ◽  
Significant Difference ◽  
Adults And Children ◽  
The Mean

Abstract Background: Vitamin D deficiency is a global health problem, it is assessed by measuring serum 25-hydroxivitamin D (25(OH) D), nevertheless epidemiological data for many countries remains underreported.Objectives:To study the prevalence of vitamin D deficiency throughout the calendar year in a large cohort recruited ina multiethnic Transcarpathian region of Ukraine.Methods: In this retrospective study 25(OH)D serum concentration was measured during all 12 months of the year 2019 by electrochemoluminescent assay on the automatic analyzer Cobas e411 in 1,823 subjects, including both children and adults (1551 females (85.03%) and 273 males (14.97%)). ResultsThe mean 25(OH) D concentration in adults demonstrates significantly lower levels compared to children (22.67±8.63 ng/ml vs. 26.00±10.72 ng/ml respectively, p<0.001). Adult women expressed significantly lower mean annual serum 25 (OH) D concentrations in comparison to men (22.29±8.46 ng/ml vs. 25.75±9.38 ng/ml respectively, p< 0.001). In contrast, children did not show a significant difference between sexes (girls 24.98±10.38 ng/ml vs. boys 27.01±11.01 ng/ml, p=0.2003). In the winter months, 25(OH)D levels fell below 20 ng/ml in 51,74 % of adult population of Thranscarpathia, and in 12.91%, - below 12 ng/ml.ConclusionsThe results of this study contradict the previously reported evaluations of the vitamin D levels in Ukraine which were assessed by measuring serum 25(OH) D. Specifically, only approximately half of the studied population is vitamin D deficient during winter season. This study features the most representative sample size in Ukraine to date.

scholarly journals Vitamin D Metabolism Is Significantly Impaired in COVID-19 Inpatients

2021 ◽  
Vol 5 (Supplement_1) ◽  
pp. A281-A282
Author(s):  
Alexandra Povaliaeva ◽  
Liudmila Ya Rozhinskaya ◽  
Ekaterina A Pigarova ◽  
Larisa K Dzeranova ◽  
Nino N Katamadze ◽  
...  
Keyword(s):  
Vitamin D ◽  
Secondary Hyperparathyroidism ◽  
Vitamin D Deficiency ◽  
Serum Calcium ◽  
Vitamin D Supplementation ◽  
Vitamin D Metabolites ◽  
Lung Involvement ◽  
Hydroxylase Activity ◽  
Vitamin D Metabolism ◽  
Vitamin D Levels

Abstract Objective: to assess the state of vitamin D metabolism in patients hospitalized with COVID-19 infection. Materials and methods: We examined 49 patients, which were hospitalized for inpatient treatment of COVID-19 infection from May to June 2020. Study group included 24 men (49%) and 25 women (51%), median age 58 years [48; 70], BMI 26.4 kg/m2 [24.3; 30.5]. All patients were diagnosed with pneumonia due to SARS-CoV-2 with median percent of lung involvement equal to 29% [14; 37], 22 patients (45%) required oxygen support upon admission. Median SpO2 was equal to 95% (92; 97), median NEWS score was equal to 3 [2; 6]. Participants were tested for vitamin D metabolites (25(OH)D3, 1,25(OH)2D3, 3-epi-25(OH)D3, 24,25(OH)2D3 and D3) by UPLC-MS/MS, free 25(OH)D and vitamin D-binding protein by ELISA, as well as PTH by electrochemiluminescence immunoassay and routine biochemical parameters of blood serum (calcium, phosphorus, albumin) at the time of admission. Results: patients had in general very low 25()D3 levels - median 10.9 ng/mL [6.9; 15.6], corresponding to a pronounced vitamin D deficiency in half of the patients. Levels of 24,25(OH)2D3 were also low – 0.5 ng/mL [0.2; 0.9], and resulting vitamin D metabolite ratios (25(OH)D3/24,25(OH)2D3) were high-normal or elevated in most patients – 24.1 [19.0; 39.2], indicating decreased activity of 24-hydroxylase. Levels of 1,25(OH)2D3, on the contrary, were high-normal or elevated - 57 pg/mL [46; 79], which, in accordance with 25(OH)D3/1,25(OH)2D3 ratio (219 [134; 266]) suggests an increase in 1α-hydroxylase activity. Median level of 3-epi-25(OH)D3 was 0.7 ng/mL [0.4; 1.0] and D3 metabolite was detectable only in 6 patients. Median DBP level was 432 mg/L [382; 498], median free 25(OH)D was 5.6 pg/mL [3.3; 6.7], median calculated free 25(OH)D was 2.0 pg/mL [1.4; 3.3]. Most patients had albumin-adjusted serum calcium level in the lower half of reference range (median 2.24 mmol/L [2.14; 2.34]). Seven patients had secondary hyperparathyroidism and one patient had primary hyperparathyroidism, the rest of the patients had PTH levels within the normal range.25(OH)D3 levels showed significant negative correlation with percent of lung involvement (r = -0.36, p&lt;0.05) and positive correlation with SpO2 (r = 0.4, p&lt;0.05). 1,25(OH)2D3 levels correlated positively with 25(OH)D3 levels (r = 0.38, p&lt;0.05) and did not correlate significantly with PTH levels (p&gt;0.05). Conclusion: Our data suggests that hospitalized patients with COVID-19 infection have significant impairment of vitamin D metabolism, in particular, an increase in 1α-hydroxylase activity, which cannot be fully explained by pre-existing conditions such as vitamin D deficiency and secondary hyperparathyroidism. The observed profound vitamin D deficiency and association of vitamin D levels with markers of disease severity indicate the importance of vitamin D supplementation in these patients.

scholarly journals Anxiety Symptoms Among Lebanese Health-care Students: Prevalence, Risk Factors, And Relationship With Vitamin D Status

2021 ◽  
Author(s):  
José-Noel Ibrahim ◽  
Léa Audi
Keyword(s):  
Health Care ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Rating Scale ◽  
Vitamin D Supplementation ◽  
Anxiety Symptoms ◽  
Vitamin D Status ◽  
Health Care Students ◽  
Vitamin D Levels ◽  
Social Difficulties

Introduction: Various emotions may arise in the context of extensive curriculum of paramedical education. Their association to biological aspects such as Vitamin D status is to be examined with regard to the prevalence of Vitamin D deficiency in the region. This research aims to evaluate the prevalence of anxiety symptoms and their relationship with Vitamin D status among Lebanese health-care students.Methods: A total of 157 university students aged 18-25 years old completed a questionnaire related to medical and psychiatric history, nutritional intake, lifestyle habits, and social difficulties. Anxiety symptoms were assessed by Hamilton Anxiety Rating Scale. Vitamin D serum levels were analyzed using ELISA technique.Results: Anxiety symptoms were present in 37.5% of students with 2.5% presenting severe anxiety. Anxiety symptoms were significantly associated to health problems (p = 0.0038), social difficulties (p = 0.001), and a family history of psychiatric disorders (p < 0.0001). Low Vitamin D levels were detected in 49.3% of participants; 77.5% having a Vitamin D insufficiency while the rest presenting a Vitamin D deficiency. Students with anxiety symptoms had significantly lower Vitamin D levels as compared to those having no anxiety manifestations (17.9 ng/mL ± 7.9 vs. 24.2 ng/mL ± 9.9, p = 0.0023). However, no significant correlation was registered between anxiety symptoms scores and Vitamin D levels.Conclusion: Anxiety symptoms were found to be relatively prevalent among health-care students and associated to low Vitamin D levels. Further studies are warranted to clarify the beneficial effect of Vitamin D supplementation in the prevention, management, and treatment of anxiety symptoms among health-care students.

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