Avicenna journal of medicine · 2025
Serum Vitamin D Levels in Autoimmune and Non-Autoimmune Hypothyroidism: A Retrospective Study from Jordan.
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Alqurieny Hadeel, Al-Slehat Mohammad, Bdour Karam, Lail Roa'a Abedel Razaq Abu, Abu-Salih Abdel Qader, Aldebei Zaid Iyad Mohammad, Al-Bdour Mohammad, Shimi Rula Al, Quraan Asmaa, Yasin Abdel Razaq Al, Ayyash Fadi
Аннотация
BACKGROUND: Vitamin D is a steroid hormone primarily produced in the skin. In Jordan, vitamin D deficiency is widespread among the population. This study aims to compare serum vitamin D levels between patients with autoimmune and non-autoimmune hypothyroidism.
METHODS: A retrospective observational study was conducted at the Jordanian Royal Medical Services in Jordan from January 2023 to November 2024. Data were gathered from the patient's medical records, including age, gender, vitamin D level, thyroid-stimulating hormone (TSH) value, free thyroxine (FT4) level, anti-thyroid peroxidase, and anti-thyroglobulin levels.
RESULTS: A total of 150 patients were included, aged 5 to 76 years, with a mean age of 39.2 years. The mean vitamin D level was 17.9 ng/mL, indicating widespread deficiency. There was no significant difference in vitamin D levels between patients with autoimmune and non-autoimmune hypothyroidism ( p = 0.860), suggesting that vitamin D levels are independent of autoimmune hypothyroidism status. Additionally, there was no significant relationship between vitamin D levels and TSH ( ρ = -0.119, p = 0.148) or FT4 (ρ = 0.128, p = 0.123). Age showed a modest negative correlation with TSH levels ( ρ = -0.067, p = 0.416) and a positive but nonsignificant correlation with FT4 levels ( ρ = 0.024, p = 0.775).
CONCLUSION: Serum vitamin D levels do not significantly differ between patients with autoimmune and non-autoimmune hypothyroidism, nor do they correlate with TSH levels. Further studies are needed to evaluate vitamin D status in these patient groups.
METHODS: A retrospective observational study was conducted at the Jordanian Royal Medical Services in Jordan from January 2023 to November 2024. Data were gathered from the patient's medical records, including age, gender, vitamin D level, thyroid-stimulating hormone (TSH) value, free thyroxine (FT4) level, anti-thyroid peroxidase, and anti-thyroglobulin levels.
RESULTS: A total of 150 patients were included, aged 5 to 76 years, with a mean age of 39.2 years. The mean vitamin D level was 17.9 ng/mL, indicating widespread deficiency. There was no significant difference in vitamin D levels between patients with autoimmune and non-autoimmune hypothyroidism ( p = 0.860), suggesting that vitamin D levels are independent of autoimmune hypothyroidism status. Additionally, there was no significant relationship between vitamin D levels and TSH ( ρ = -0.119, p = 0.148) or FT4 (ρ = 0.128, p = 0.123). Age showed a modest negative correlation with TSH levels ( ρ = -0.067, p = 0.416) and a positive but nonsignificant correlation with FT4 levels ( ρ = 0.024, p = 0.775).
CONCLUSION: Serum vitamin D levels do not significantly differ between patients with autoimmune and non-autoimmune hypothyroidism, nor do they correlate with TSH levels. Further studies are needed to evaluate vitamin D status in these patient groups.