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Vitamin D: a 14-year retrospective study at a clinical laboratory in Brazil
Bacha, Fernanda Vaz de Melo; Gomez, Fernanda Lustosa Cabral; Silva, Ana Luiza Gonçalves; Reis, Mariana Didier; Cabral, Eliane Dias Lustosa; Carvalho, Leandro Duarte de.
  • Bacha, Fernanda Vaz de Melo; Faculdade Ciências Médicas de Minas Gerais. Belo Horizonte. BR
  • Gomez, Fernanda Lustosa Cabral; Faculdade Ciências Médicas de Minas Gerais. Belo Horizonte. BR
  • Silva, Ana Luiza Gonçalves; Faculdade Ciências Médicas de Minas Gerais. Belo Horizonte. BR
  • Reis, Mariana Didier; Faculdade Ciências Médicas de Minas Gerais. Belo Horizonte. BR
  • Cabral, Eliane Dias Lustosa; Centro de Desenvolvimento, Inovação, Ciência e Tecnologia. Lagoa Santa. BR
  • Carvalho, Leandro Duarte de; Faculdade Ciências Médicas de Minas Gerais. Belo Horizonte. BR
Arch. endocrinol. metab. (Online) ; 66(1): 19-31, Jan.-Feb. 2022. tab, graf
Article in English | LILACS | ID: biblio-1364309
ABSTRACT
ABSTRACT

Objective:

This study aimed to assess vitamin D (25OHD) levels in individuals who underwent an examination at a private laboratory (between latitudes 14° and 22° south) over 14 years, stratified by sex, age, and epidemiological profiles, and determine variations in the number of tests performed over the years. Materials and

methods:

All records of 25OHD tests performed at a private clinical laboratory in Brazil were analyzed. This retrospective cross-sectional study included patients stratified by sex (female or male), age range (0-17, 18-40, 41-59, and ≥ 60 years), and year of testing. The final sample size was 193,725 patients. Categorical variables are presented as absolute and relative frequencies and numerical variables as means ± standard deviation. Comparisons between groups were performed using the equality of proportions test.

Results:

The number of tests performed steeply increased since 2010. More tests were performed in female individuals (73.3%) and individuals aged 41-59 years (32.2%). Most samples (68.0%) demonstrated sufficient vitamin D status. Women had a higher incidence of vitamin D deficiency than men (33.1% and 26.6%, respectively; p < 0.001). Individuals aged ≥ 60 years had the highest incidence of vitamin D deficiency (68.4%), while individuals aged 0-17 years had the lowest (32.2%) (p < 0.001).

Conclusion:

Despite increased testing and attention given to vitamin D in recent years, our study demonstrates high levels of deficiency in a country with geographical conditions favorable to its production.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Vitamin D / Vitamin D Deficiency Type of study: Observational study / Prevalence study / Risk factors Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Arch. endocrinol. metab. (Online) Journal subject: Endocrinology / Metabolism Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro de Desenvolvimento, Inovação, Ciência e Tecnologia/BR / Faculdade Ciências Médicas de Minas Gerais/BR

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Full text: Available Index: LILACS (Americas) Main subject: Vitamin D / Vitamin D Deficiency Type of study: Observational study / Prevalence study / Risk factors Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Infant / Male / Infant, Newborn Country/Region as subject: South America / Brazil Language: English Journal: Arch. endocrinol. metab. (Online) Journal subject: Endocrinology / Metabolism Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro de Desenvolvimento, Inovação, Ciência e Tecnologia/BR / Faculdade Ciências Médicas de Minas Gerais/BR