TY - JOUR AU - Chaiyamahapurk, Sakchai AU - Warnnissorn, Prateep PY - 2021/06/01 Y2 - 2024/03/29 TI - Prevalence and Pattern of Diseases of The Skin and Subcutaneous Tissue in A Primary Care Area in Thailand JF - Siriraj Medical Journal JA - Siriraj Med J VL - 73 IS - 6 SE - Original Article DO - 10.33192/Smj.2021.47 UR - https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/251263 SP - 357-362 AB - <p><strong>Objective:</strong> Information on the population-based prevalence study of skin diseases is still lacking.&nbsp; The study explores the prevalence and pattern of diagnosed skin diseases of the population in a primary care area of a university hospital in Thailand.<br><strong>Materials and Methods: </strong>Skin disease patients were identified using the International Statistical Classification of Diseases and Related Health Problems 10th Revision codes (L00-L99).&nbsp; Retrospective data were obtained from the hospital electronic medical record between 2015-2019.&nbsp; The number of clinic visits and the number of skin disease diagnoses were counted. &nbsp;The five-year period prevalence was calculated by dividing the number of cases by the population in the primary care area.<br><strong>Results: </strong>During the five-year period, in a population of 29,969, we found 3,770 patients (12.6% of 29,969 population) who made 7,433 outpatient visits with the diagnoses of skin diseases.&nbsp; Infections of the skin and subcutaneous tissues were the most common (37.3%), followed by dermatitis (29.7%), urticaria and erythema (13.9%), other disorders of the skin and subcutaneous tissue (8.6%), and papulosquamous disorders (1.7%).&nbsp; The five-year period prevalence of skin diseases per 100,000 persons was as following: cellulitis (2,296), urticaria (1,682), psoriasis (177), atopic dermatitis (420), seborrheic dermatitis (227), alopecia areata (50), vitiligo (23), and pemphigus (10).<br><strong>Conclusion: </strong>Infection and dermatitis were the two most common skin diseases in the primary care area population.&nbsp; Atopic dermatitis, psoriasis, seborrheic dermatitis, and decubitus ulcer were less commonly found.&nbsp; Our prevalence data should be the “at least” prevalence of skin diseases due to possible underreporting.</p> ER -