皮肤癣菌感染发病率的估计值各不相同。一项研究报告,甲癣在儿科年龄人群中的患病率为 2%,在 80 岁以上人群中增加至 60%。[1]Gupta AK, Jain HC, Lynde CW, et al. Prevalence and epidemiology of unsuspected onychomycosis in patients visiting dermatologists' offices in Ontario, Canada - a multicenter survey of 2001 patients. Int J Dermatol. 1997;36:783-787.http://www.ncbi.nlm.nih.gov/pubmed/9372358?tool=bestpractice.com头癣是一种发生于年龄小于 10 岁的儿童中的疾病,在美国黑人男性中发病率最高。须癣较罕见,多发病于接触牲畜的男性。体癣较常见,青春期前的男性发病率最高,特别在炎热、潮湿的气候时。股癣在青少年和成年男性中发病率较高。足癣是最常见的浅部真菌感染,70%为成年发病。[2]Drake LA, Dinehart SM, Farmer ER, et al. Guidelines of care for superficial mycotic infections of the skin: tinea corporis, tinea cruris, tinea faciei, tinea manuum, and tinea pedis. Guidelines/Outcomes Committee. American Academy of Dermatology. J Am Acad Dermatol. 1996;34:282-286.http://www.ncbi.nlm.nih.gov/pubmed/8642094?tool=bestpractice.com甲癣占所有甲病的50%,是最常见的甲病。[3]Faergemann J, Baran R. Epidemiology, clinical presentation and diagnosis of onychomycosis. Br J Dermatol. 2003;149(suppl 65):1-4.http://www.ncbi.nlm.nih.gov/pubmed/14510968?tool=bestpractice.com