Prevalence of vitamin D depletion among subjects seeking advice on osteoporosis: a five-year cross-sectional study with public health implications

Guardia, Guillermo de la; Parikh, Nayana; Eskridge, T.; Phillips, E.; Divine, George; Rao, D. Srinivasa

doi:10.1007/s00198-007-0456-3

Cited by 46 publications

(27 citation statements)

References 51 publications

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“…This finding is not surprising as a couple studies have established the association between vitamin D deficiency and osteoporosis [11,14]. However, if patients with an established diagnosis of osteoporosis were treated following the national guidelines, we should find a lower prevalence of vitamin D deficiency [3].…”

Section: Discussionmentioning

confidence: 69%

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Is There an Epidemic Vitamin D Deficiency in German Orthopaedic Patients?

Maier

Jakobs

Roth

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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Background Vitamin D plays an essential role in bone health and muscle function. Some studies have shown a widespread rate of vitamin D deficiency in the general population, but few have reported on the vitamin D status of orthopaedic patients.Questions/purposes We investigated (1) the extent of hypovitaminosis D in orthopaedic patients, (2) seasonal variations in vitamin D levels, and (3) possible risk factors for insufficient vitamin D levels. Methods Vitamin D levels in 1119 patients consecutively admitted to an orthopaedic surgery department in 2011 were measured. To investigate the correlation between climate factors and vitamin D levels, the sunshine hours for each month in 2011 were collected by Deutscher Wetterdienst (the German weather service) in the region where most tested patients lived. The prevalence of normal ([ 30 ng/mL), insufficient (20-30 ng/mL), and deficient (\20 ng/mL) 25-hydroxyvitamin D levels was determined. Univariate and multivariate analyses were used to assess risk factors for insufficient vitamin D levels. Results Overall, 84% of patients had insufficient levels of vitamin D and 60% were vitamin D deficient. Only 15% were in the target range of 30 to 60 ng/mL. The prevalence of low vitamin D levels was greater during winter and months with fewer sunshine hours. Vitamin D levels did not vary according to age, sex, and disease. Individuals with obesity, hypertension, and osteoporosis were more likely to have low vitamin D levels compared with their healthy counterparts. Conclusions There is an alarmingly high rate of hypovitaminosis D and vitamin D deficiency among orthopaedic patients in this region of Germany, whose latitude (

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Section: Discussionmentioning

confidence: 69%

“…We did not identify any sex-related prevalence of vitamin D deficiency. The reported association between sex and vitamin D varies, with some studies describing higher rates in men [3,14] and others in women [8,21]. Bogunovic et al [3], in a prevalence study, and Guardia et al [14], reported male sex as a risk factor for vitamin D deficiency.…”

Section: Discussionmentioning

confidence: 98%

Is There an Epidemic Vitamin D Deficiency in German Orthopaedic Patients?

Maier

Jakobs

Roth

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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“…The prevalence of vitamin D deficiency in this study was high and comparable with that of the general population (Chapuy et al, 1997;Guardia et al, 2008), with 28% of enrolled participants presenting with mild deficiency [16-19 ng/ mL serum 25(OH)D level]. 25OHD values lower than 16 ng/mL have been shown to have a drastic effect on PTH levels (Carnevale et al, 2010).…”

Section: Discussionmentioning

confidence: 76%

The Impact of Vitamin D Status on Periodontal Surgery Outcomes

et al. 2011

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“…Thirty-eight out of the 400 children involved in the study were suffering from with vitamin D deficiency was significantly higher among children with black skin than children with fair skin [12]. Although it is a protective factor against sunburn, skin pigmentation is a major cause of vitamin D deficiency in children.…”

Section: Prevalence Of Hypovitaminosismentioning

confidence: 99%

Hypovitaminosis D in 6 - 59-Month Children in the District of Parakou (Benin) in 2017

Noudamadjo¹,

Agossou²,

Adédémy³

et al. 2018

OJPed

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Introduction: Nutritional rickets is the visible tip of the iceberg formed by the diseases caused by hypovitaminosis. Vitamin D plasma is essentially influenced by the level of sunlight which is significant in Sub-Saharan Africa and in Benin. However, there are factors likely to impede endogenous production of that vitamin in children in our environment. This research work was conducted with the view to investigate hypovitaminosis D prevalence and associated factors in children aged 6 to 59 months in the District of Parakou in 2017. Methods: This research work was a cross-sectional study with prospective collection of data carried out in community in the District of Parakou in 2017. The study involved euthrophic and non-HIV infected children aged 6 to 59 months who did not benefit from vitamin D supplementation during the past three months. Vitamin D plasma concentration was obtained using "Radioimmunoassay" after cluster random sampling in accordance with WHO guidelines. According to Schwartz formula, nominal minimum sample size was 321. In this study, hypovitaminosis D was defined as a plasma level lower than 30 ng/l. Data processing was carried out using softwares such as EPI INFO version 7.2 and SPSS 21. Results: In total, 400 children were involved in the survey. Hypovitaminosis prevalence was 9.5% (38 out of 400 cases). In our research work, the factors associated with hypovitaminosis were child's age (p = 0.0470), mother's age (p = 0.0000), weaning age lower than 6 months (p = 0.0466) and mother's occupation out of direct sunlight (p = 0.0012). Conclusion: Nearly one out of ten children suffers from hypovitaminosis D in the District of Parakou in 2017. The associated factors were age of child and mother, early weaning and mother's professional occupation held out of direct sunlight. This research work should be continued and improved by a nationwide multicentre study. This could lead to the adoption of measures for How to cite this paper: Noudamadjo, A.,

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Prevalence of vitamin D depletion among subjects seeking advice on osteoporosis: a five-year cross-sectional study with public health implications

Abstract: The prevalence of vitamin D depletion in patients seeking advice for osteoporosis is high and did not change over the 5 years of the study.

Cited by 46 publications

References 51 publications

Is There an Epidemic Vitamin D Deficiency in German Orthopaedic Patients?

Is There an Epidemic Vitamin D Deficiency in German Orthopaedic Patients?

The Impact of Vitamin D Status on Periodontal Surgery Outcomes

Hypovitaminosis D in 6 - 59-Month Children in the District of Parakou (Benin) in 2017

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