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<article  article-type="research-article"        dtd-version="1.4">
            <front>

                <journal-meta>
                                                                <journal-id>tmj</journal-id>
            <journal-title-group>
                                                                                    <journal-title>Turkish Medical Journal</journal-title>
            </journal-title-group>
                                        <issn pub-type="epub">3023-8196</issn>
                                                                                            <publisher>
                    <publisher-name>Ankara Yıldırım Beyazıt Üniversitesi Yenimahalle Eğitim ve Araştırma Hastanesi</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.70852/tmj.1770007</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Infant and Child Health</subject>
                                                            <subject>Adolescent Health</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Bebek ve Çocuk Sağlığı</subject>
                                                            <subject>Ergen Sağlığı</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <trans-title-group xml:lang="en">
                                    <trans-title>Vitamin D Levels in Children Admitted to Pediatrics Clinics</trans-title>
                                </trans-title-group>
                                                                                                                                                                                                <article-title>Çocuk Sağlığı ve Hastalıkları Polikliniğine Başvuran Çocuklarda D Vitamini Düzeyleri</article-title>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0002-7441-1334</contrib-id>
                                                                <name>
                                    <surname>Şahiner</surname>
                                    <given-names>Ayşegül</given-names>
                                </name>
                                                                    <aff>yenimahalle eğitim ve araştırma hastanesi</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20251128">
                    <day>11</day>
                    <month>28</month>
                    <year>2025</year>
                </pub-date>
                                        <volume>10</volume>
                                        <issue>4</issue>
                                        <fpage>141</fpage>
                                        <lpage>146</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20250821">
                        <day>08</day>
                        <month>21</month>
                        <year>2025</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20251016">
                        <day>10</day>
                        <month>16</month>
                        <year>2025</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 2024, Turkish Medical Journal</copyright-statement>
                    <copyright-year>2024</copyright-year>
                    <copyright-holder>Turkish Medical Journal</copyright-holder>
                </permissions>
            
                                                                                                <trans-abstract xml:lang="en">
                            <p>Objectives: Vitamin D deficiency is associated with various diseases, including rickets, cardiovascular diseases, cancer, type 1 diabetes, autoimmune diseases, rheumatoid arthritis, and multiple sclerosis. The aim of this study was to determine the prevalence of vitamin D deficiency and insufficiency in patients presenting to pediatric outpatient clinics and to determine whether there were differences in vitamin D levels based on age, gender, and season. Method: 10,933 patients aged 0-18 years who presented to our hospital’s Pediatrics outpatient clinics for any reason and requested a 25-OH Vitamin D test between January and December 2024 were included in the study. 25-OH Vitamin D levels 20 ng/mL as normal. 25-OH Vitamin D levels were recorded according to age, gender, and seasons. Data were analyzed using IBM SPSS Statistics for Windows, Version 23.0. P</p></trans-abstract>
                                                                                                                                    <abstract><p>Amaç: D vitamini eksikliği başta rikets olmak üzere kardiyovasküler hastalıklar, kanser, tip 1 diyabet, otoimmün hastalıklar, romatoid artrit ve multipl skleroz gibi çeşitli hastalıklarla ilişkilidir. Bu çalışmanın amacı çocuk hastalıkları polikliniklerine başvuran hastalarda vitamin D eksikliği ve yetersizliğinin sıklığını belirlemek, yaş, cinsiyet ve mevsimlere göre D vitamini düzeylerinde fark olup olmadığını saptamaktır. Yöntem: 2024 yılı Ocak-Aralık ayları arasında hastanemiz Çocuk Sağlığı ve Hastalıkları polikliniklerin herhangi bir nedenle başvuran ve 25-OH Vitamin D tetkiki istenen 0-18 yaş arası 10.933 hasta çalışmaya dâhil edildi. 25-OH Vitamin D 20 ng/mL ise normal olarak kategorize edildi. Yaş, cinsiyet ve mevsimlere göre 25-OH Vitamin D düzeyleri kaydedildi. Veriler IBM SPSS Statistics for Windows, Sürüm 23.0 kullanılarak analiz edildi. p</p></abstract>
                                                            
            
                                                                                        <kwd-group>
                                                    <kwd>Cinsiyet</kwd>
                                                    <kwd>  Çocuk</kwd>
                                                    <kwd>  D vitamini</kwd>
                                                    <kwd>  Mevsim</kwd>
                                                    <kwd>  Yaş</kwd>
                                            </kwd-group>
                            
                                                <kwd-group xml:lang="en">
                                                    <kwd>Age</kwd>
                                                    <kwd>  Child</kwd>
                                                    <kwd>  Gender</kwd>
                                                    <kwd>  Season</kwd>
                                                    <kwd>  Vitamin D</kwd>
                                            </kwd-group>
                                                                                                                                        </article-meta>
    </front>
    <back>
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