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Is 25-Hydroxyvitamin D Associated with Glycosylated Hemoglobin in Patients with Type 2 Diabetes Mellitus in Saudi Arabia? A Population Based Study

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Listed:
  • AlJohara M AlQuaiz

    (Reserach Chairs Program, Princess Nora Bent Abdullah Chair for Women’s Health Research, King Saud University, Riyadh 231831, Saudi Arabia
    Department of Family & Community Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

  • Abdullah A Alrasheed

    (Department of Family & Community Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

  • Ambreen Kazi

    (Reserach Chairs Program, Princess Nora Bent Abdullah Chair for Women’s Health Research, King Saud University, Riyadh 231831, Saudi Arabia
    Department of Family & Community Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

  • Mohammad Ali Batais

    (Department of Family & Community Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

  • Khaled M Alhabeeb

    (Reserach Chairs Program, Princess Nora Bent Abdullah Chair for Women’s Health Research, King Saud University, Riyadh 231831, Saudi Arabia)

  • Amr Jamal

    (Department of Family & Community Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

  • Mona A Fouda

    (Reserach Chairs Program, Princess Nora Bent Abdullah Chair for Women’s Health Research, King Saud University, Riyadh 231831, Saudi Arabia
    Endocrinology Division, Department of Medicine, College of Medicine, King Saud University, Riyadh 7065, Saudi Arabia)

Abstract

Background: Saudi Arabia has a high burden of diabetes mellitus and vitamin D deficiency. The objective of this study was to explore the association between glycosylated hemoglobin and 25-hydroxyvitamin D in patients with type 2 diabetes mellitus (T2DM) in Riyadh, Saudi Arabia. Methods: An interview based cross-sectional study was conducted on 606 patients with type 2 diabetes, aged 30–75 years, visiting primary health care centers. Blood samples were collected for measuring HbA1c, 25(OH)D and bone and lipid markers. Multivariable linear regression analysis was conducted to explore the association between HbA1c and 25(OH)D. Results: The mean (±SD) levels for HbA1c and 25(OH) D were 7.69 (±1.77) and 44.28 (±23.06), respectively. Around 55% of patients had uncontrolled HbA1c (>7.0), whereas vitamin D deficiency (<50 nmol/L) was found in 52.3% (=317). Multiple linear regression analysis found that a unit increase in vitamin D levels and parathyroid hormone levels was associated with −0.17 (−0.02, −0.01, p < 0.001) and −0.20 (−2.66, −1.18, p < 0.001) unit decrease in levels of HbA1c, respectively. Similarly, increasing age was associated with −0.15 (−0.01, −0.04, p = 0.002) unit decrease in HbA1c levels, whereas unit increases in serum alkaline phosphatase, calcium and diabetes duration were associated with 0.22 (0.01, 0.02, p < 0.001), 0.14 (1.03, 3.88, p = 0.001) and 0.26 (0.42, 0.78, p < 0.001) unit increase in HbA1c levels, respectively. Conclusion: HbA1c levels are associated with 25-hydroxyvitamin D levels. For better control of HbA1c levels, it is important to maintain 25-hydroxyvitamin D level and bone markers within normal range.

Suggested Citation

  • AlJohara M AlQuaiz & Abdullah A Alrasheed & Ambreen Kazi & Mohammad Ali Batais & Khaled M Alhabeeb & Amr Jamal & Mona A Fouda, 2021. "Is 25-Hydroxyvitamin D Associated with Glycosylated Hemoglobin in Patients with Type 2 Diabetes Mellitus in Saudi Arabia? A Population Based Study," IJERPH, MDPI, vol. 18(6), pages 1-10, March.
  • Handle: RePEc:gam:jijerp:v:18:y:2021:i:6:p:2805-:d:514262
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