The reasons of admission were acute exacerbation(73.3%), outpatient treatment failure(15%), uncertain initial diagnosis(10%), and nonpsoriasis-related side effects of psoriatic treatment(1.7%).

• 住院原因包括急性恶化(3.；3%25、诊治疗失败(5%25、步诊断未明(0%25、干癣治疗所造成之非干癣性副作用(