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对经治的114例皮肌炎(DMS)病人,比较青少年和成人患者的特点。发现发病年龄分布构成双峰曲线,在15岁及更小年龄和40岁时呈现高峰。青少年组29例,成人组85例。两组平均发病年龄分别为9.1岁和47.4岁;青少年患者男女比率为1.4:1,成人组为1:2.4;青少年组两性发病年龄均在9岁上下,成人组发病年龄男性平均为50.5岁,女性为46.1岁。青少年组皮肤症状先于其它症状者占65.5%。肌肉症状首先出现者仅占3.4%,症状同时出现者占13.8%,与成人组
Of the 114 patients with dermatomyositis (DMS) treated, the characteristics of adolescent and adult patients were compared. The onset age distribution was found to constitute a bimodal curve, with peaks at 15 and younger and at 40 years of age. 29 cases of adolescent group, 85 cases of adult group. The average age of onset in both groups was 9.1 and 47.4 years respectively. The ratio of male to female was 1.4: 1 in adolescents and 1: 2.4 in adults. The age of onset of both sexes in adolescent group was 9 years old and the average age of onset was 50.5 years in adult group, Female 46.1 years old. Adolescent group of skin symptoms preceded other symptoms accounted for 65.5%. Muscle symptoms first appeared only 3.4%, symptoms simultaneously accounted for 13.8%, and adults