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. 2026 Feb 5;13:1730036. doi: 10.3389/fmed.2026.1730036

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Copyright © 2026 Ramadan, Bagatadah, Marwah, Bahawi, Mriani, Alshamrani, Alzaid, Aboulola and Aboalola.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Map of Saudi Arabia showing four regions with percentages: Al Madinah Region (light blue, 3%), Makkah Region (light green, 10%), Riyadh Region (green, 33%), Eastern Region (blue, 54%). — Distribution of patients with sickle cell disease across five National Guard Health Affairs Centers in Saudi Arabia. Percentages represent the proportion of patients by region (Eastern, Riyadh, Makkah, and Al Madinah) among all patients included in the study (N = 691). Regional boundaries are shown for illustrative purposes only and do not imply political or administrative divisions and it does not represent the entire region.